As the residents of Shipton Abbott gear up for Christmas, Humphrey and the team are baffled by a series of bizarre burglaries which aren't quite what they seem. However, when the team make a breakthrough with an unexpected connection, it's a bittersweet discovery that makes them reconsider the true meaning of Christmas. Back at the station, Kelby is forced to babysit a cheeky young shoplifter and Humphrey feels the pressure when CS Charlie Woods continues to question why their beloved local police station should remain open. Meanwhile, navigating the trials and tribulations of family life, Esther's teenage daughter, Zoe, is less than impressed when she is made to work in Santa's Grotto. And a chance encounter gives Martha food for thought about the future…