The helicopter arrives and the group is picked up and flown to a field where they are picked up and taken to the hospital. In the hospital Shona runs into a pair of identical twin girls, who are watching David's video, when asked what they're think they're doing they see Gerry in the video and say that he is their friend. Shona tries to tell Lucy about the twins, but they have disappeared. The group, except David and Sarah, get back together and watch as Gerry is being taken away. Harry, Lucy, Shona, Leon, Chrissie and Simon are taken to a facility where they discover that their mobile phones have been taken. There they meet Helen Stanich, their alliance. Who tells them they can't contact Scotland until they have been debriefed. That night a phone rings and Leon answers it, it's David who tells him that they need to leave. The next day they look around and Lucy finds a phone, and Stanich catches her trying to call Scotland. Shona and Leon notice security camera's all around the boun

Lucy gives Harry a birthday card, when Leon arrives and tells them that it's Sunday, not Saturday. They begin to wonder if Gerry was right about an alien encounter. They decide to escape. Harry shows the others that all the weird stuff that happen to them has been erased from the video recorders. The group confront Stanich who tell them that David and Sarah where in an accident and had concussion. She also tells them that they're waiting for them in a helicopter outside. The group look out the window and see David and Sarah walk pass. Shona hears Sarah tell her to look out the window, which she does and discovers that it's not David and Sarah that they saw. Shona shows the group and they decide to escape. They manage to escape, but they notice that no one is following. They decide to stay in Australia and find David and Sarah before they return. They decide to put all of their money and travelers checks together and elect Chrissie as treasure, Simon keeps some of his money hidden from

Harry tries to make an excuse for their speeding but is relived to discover that the police were just returning is bank card, which he left at the petrol station. The group later arrives at a town where they find a pay phone, but agree not to call their parents. They go into a shop where they are confronted by a boy, who is in charge of the shop. The group learn that his mother went missing at the Paramundi ridge. The group goes back to the ridge to stay the night, they discover that their watches have stopped, Simon says it might be a magnetic rock, but Harry points out that his watch is self winding. That night the girls see lights, similar to the ones that Sarah saw on their first night. The next day they go for a walk in the bush, when Harry gets his arm cut, Shona refuses to look in the medical bag, which she got from the store and Harry says it won't cause an epileptic reaction. Simon and Harry get into an argument over which way they go. Simon decides to go on his own, Chrissie

The next morning the group wake up and find Simon missing. They notice that his bag and wallet are still in the camp site and believe he might have been abducted by aliens. However he was getting donuts and drink for breakfast, Harry thinks something is wrong because the closest town is miles away and he didn't' take his wallet. They go through the papers and discover that a person named Ed filed a report in the paramnudi area. They decide to go and see Ed. They arrive in the town and they go into a shop, except Shona who wonders off in the other direction and Lucy who follows her. Shona notices the twins across the road and screams when one of them steps out in front of a truck hurtling down the road. Shona tries to show Lucy the video tape, but the twins don't appear on the film. The rest of the group find out where Ed lives. They all arrive at Ed's place and discover Ed is a she. Ed tells them that they're late. Ed tells the group about the strobes of light and helicopters five day

Everybody freezes in terror as the agents phone rings and they leave. The group aren't sure if Ed told the Federal agents that they where there. Ed tells them she wouldn't call the federal agents and then hide them. Harry later tells Ed that he thinks one of the group is a spy. Harry later tells this to Lucy and Simon overhears and claims Harry has lost it. Harry begins to wonder if he is the spy but can't remember. Shona decides to go to town to get more supplies, Chrissie and Leon go with her. Shona leaves Chrissie and Leon and says she needs to do something else. Chrissie and Leon go back to Seb's shop and ask questions. Seb tells them that the last lot of people who asked too many questions where two helicopter pilots, who went missing the next day. When the group gets back together they decide to go to the military base. Ed agrees to take one of them in, Chrissie volunteers. In the base Chrissie finds a C.D which has voice recordings from a helicopter flying over Paramundi. Chriss

The group heads off in search of the twins. When Rusty suddenly stops in the middle of a town, for no apparent reason. Harry, Lucy and Shona decide to goto a shop and try and get help; while the others go and feed the birds. In the shop Shona goes to an aboriginal man who tells her to beware of the kangaroo, because it's dangerous. Meanwhile Chrissie decides to go to the shop when she is hit by a van, which has a kangaroo picture on the side. Chrissie is taken to the hospital and Simon goes with her. When they arrive the nurse asks for their passport. Simon says he needs to call a friend, who has them. So he calls Helen on the phone, Chrissie comes to and notices Simon on the mobile and then pretends to still be conscience, when she hears David and Sarah to leave, because it isn't safe, so she gets up and walks out of the hospital. Later the group get into a fight and Simon accuses Harry of being the traitor, when Simon leaves Chrissie tells the others that Simon is the traitor and sho

The kids return to the railyard to release Simon from the freight car only to discover the train is gone. Hoping their friend can look after himself, the others decide to continue their search for the twins hoping they can help them find David and Sarah. Trapped in a freight car, Simon is bitten by a poisonous spider.

The group begin to think about their next plan of action when they hear something outside, Harry goes off and investigates and discovers that it's Ruby and Ann who tell him that they are being watched and points to a man on the cliff and tells Harry to meet them at the Uncle's houseboat at Shelly's Beach at 6 o'clock the next morning. Meanwhile Simon collapses on the ground and sees David and tries to tell him he was only trying to help. Harry goes to the man and tells him to stop spying on them but discovers that he is a birdwatcher. The next day Shona decides not to see the twins. The others arrive but can't find the twins, suddenly the twins appear and the group think its creepy that they didn't hear the twins come. On the houseboat the twins refuse to speak until Shona turns up, the others try to tell them that Shona isn't coming when Shona appears at the houseboat. Meanwhile an aboriginal man finds Simon and carries him to his car. The twins still refuse to speak until the beat th

Stanich tells her agent that nobody is on the boat and they leave. Meanwhile Simon is taken to the doctors and manages to show him the video of the spider that bit him. The man tells Doc that he's been expecting Simon. Back on the boat the group listen to the disk that Chrissie took from the military base and are shocked to learn that it's a recording of a helicopter trying to bring the UFO down. They all agree that the best way to find David and Sarah is to go to the next UFO landing site. Ruby and Ann show them a wooden object with hole in it. Chrissie works out it's a map of Australia and the holes are six different UFO landing sites. They are more shocked to learn the next landing is where Simon wound up. Simon comes to and the man introduces him self as Vic. That night Harry gives the twins some money. The next day Vic shows Simon some aboriginal cave paintings and Simon is freaked out by one of six people and bright lights above them. The next morning Lucy wakes up and discovers

The group have secretly managed to get out of Rusty. Shona tells Leon she left her family photo's in Rusty, so Leon agrees to go and get the photo's. Meanwhile Vic shows Simon go back into the caves where Vic shows Simon a picture of a figure next to a spider and Vic tells Simon that the person is him, meaning Simon, and tells him that he is important. Meanwhile Stanich learns that there were no bodies found in Rusty. The group arrives at a church where they meet the twins who shows them a Land Rover, which Harry brought to replace Rusty. The twins give the groups maps, including one they made them selves, and ask if they ca go, but the group decide that it's best if they didn't so the twins hop onto a bus and leave. Vic shows another figure, Simon again, and tells him that it's him in the Glass Mountains and he needs to be with the others. Vic and Simon head of to an airport and hop onto a plane and fly to the Gold Coast, to find the others. Vic points out the Glass Mountains to

Harry claims the truck was a UFO. Lucy and Harry talk about what happened and Lucy reminds him of how they all have changed since they arrived in Australia. That night Lucy dreams of David and Sarah who tells her to find him, and then she sees Gerry, who tells her to follow the sign. The next day Lucy finds a sign to Moongooba. Chrissie tells her not to take literally. Simon watches in horror as he sees Rusty being towed away. So he and Vic decide to find the twins. When they find Ruby and Ann the twins refuse to speak. When Vic tells them about the cave paintings and how he believes Simon is important they agree to help, only if they are aloud to come as well. Lucy tells the group that she'll go alone if they won't help her find Gerry, so the others drive off with out her, only to return later and they all decide to go to the hospital. At the airport Simon comes face to face with Stanich who tells him she is only trying to help the aliens. Simon doesn't believe her. Stanich's radio

The group are driving when the Land Rover over heats and stops. They use one of the remaining few water bottles to cool down the radiator. Shona hears a noise over heads and spots a plan, that begins to circle them. They get back into the Land Rover and try and get away but the plane lands right in front of them and out hops Simon. Chrissie is the only one who is pleased to see him. Vic leaves, telling Simon that he doesn't need him any more. Simon tells the group what happened and all about the caves and suggests they should go and look at the caves. Harry isn't happy with Simon coming back and expecting everything to be OK. That night Shona goes to get a drink and freaks out to discover the water bottle is infested with bugs. Lucy says she must of left the lid off. The group aren't too happy about this, because it was their last water bottle. Simon tells them he knows how to find more water. The next day the Land Rover over heats again and they decide to walk to the caves. Shona noti

Lucy has a vision in which David and Sarah tell her to believe in the power of the group. Lucy tells the rest of the group and place their hands on top of Chrissie and she comes too. Water trickles out of Simon's hole. They finally arrive at the caves and Simon shows them the cave paintings. Lucy begins to feel claustrophobic and runs out of the caves. When there is an earth tremor and the rest of the group are caved in. Lucy tells the others she'll go get help. The group talk about their time in Australia and go to sleep. The next morning they discover another hole which they climb though and discover more cave paintings which speaks of an eclipse. When they hear someone moving the rocks in the other cavern. They go back and are shocked to come face to face with Stanich. They group get back together with Lucy, who tells them she fell over and Stanich's agents found her. The group confront Stanich; who tells them she is on their side and she tells them how her people are wanting her to