After the Clearing's destroyed in a dinosaur attack, the Survivors must find a new home. Gavin discovers a clue about where Eve has been taken, but tracking the lead down results in even more tragic consequences.

As the Survivors attempt to integrate with the villagers at the Fort, a flock of vicious pterodactyls attacks. Ty tries to figure out his next steps and seeks help from an old friend.

As Gavin and Sam search for a secret military base, they're surprised by an old colleague of Gavin's who just may hold the clues to finding Eve. When Ty and Sam try to figure out how to bring their friends home, Ty becomes sidetracked as he confronts his demons from his past.

A traitor turning on the Survivors leads to a deadly confrontation as they're shocked to learn where Eve has been taken.

Gavin leads the survivors in trying to find Eve, Josh and Riley. Will he be able to finally reunite his family and still find a way back to the lives they once knew?