Rosie, the wife of local villain, Terry Tinniswood takes an overdose and Nick and Kate are left minding her children. Once she's recovered, Rosie tells Nick her husband is in jail for a crime he didn't commit. Nick finds evidence to support Rosie's claims that her husband was fitted up, possibly by Nick's predecessor in Aidensfield, Rowley Carsons who suddenly retired from the force. Blaketon warns Nick and tells him to leave it, insisting Carsons retired because he had Cancer. Nick who now believes that there was some sort of cover up persists with his investigation. Carsons turns up and confesses to fitting Tinniswood up by planting evidence in his truck. Meanwhile Phil is to marry his girlfriend who says she's pregnant. but he later finds that she has been seeing her ex-boyfriend who turns out to be the man who beat up Phil at his stag night.

Nick and Kate fall out when an old boyfriend of hers turns up. Soon after his arrival he becomes the prime suspect in a hit-and-run incident and Nick is forced to tell him not to leave the area while it's investigated. Meanwhile a local bank informs the police of a woman acting suspiciously around the bank. Nick and Phil go to investigate, only to discover the woman is in fact the famous crime writer, Amanda Young doing research for her next novel. Meanwhile Phil, on behalf of his football team organizes a talent contest where Greengrass is running a book on who will win. The hit-and-run incident is then revealed to be down to one of Phil's rivals on the football field. And Claude sells some moor land to the MoD and treats himself to a big and flashy pink Chrysler Imperial car!

Convict Stevie Walsh is released from prison and is on a train back to Aidensfield to see his wife and to finish some unfinished business. In the night Aidensfield gets cut off as a severe snow storm and the whole are is unreachable. The train heading for Aidensfield then crashes when the signals fail. Nick is alone and can't get police assistance, so its up to him alone to organise a rescue mission with the villagers including Claude and George to help the passengers and see to the injured which include Gina's brother, Barry and Alex, who has suffered a head injury. The injured are taken to the village hall by the villagers until outside help can reach them. Meanwhile Kate is called out by a man, whose partner - Ellen and Walsh's ex-wife is in labour and about to give birth. To Ellen's distress, Stevie helps her and Kate when they get trapped in the snow on the way to hospital, and they end up with the train passengers in the village hall where the Kate delivers the baby. Blaketon eve

Lady Whitly complains that she has had Christmas trees stolen. Kate is treating a young boy with breathing problems. His brother and sister are the ones selling the stolen Christmas trees to make money to send their brother to Switzerland which would benefit his health. Lady Whitly at first refuses to drop the charges against the children but later has a change of heart. Kate asks Claude to play Santa and he reluctantly agrees. Nick forgets to buy the turkey so he ends up buying a huge one from Claude! Thinking Blaketon would be alone at Christmas, Nick asks him to Christmas dinner, but he ends up bringing his son along as well. Kate knew nothing about the invitation so she looks a little surprised when she finds out they're cooking for four!