Adam has left the force, and Mt. Thomas, and Probationary Constable Jack Lawson has barely arrived in Mt. Thomas before he is in trouble with the police. Jack's misdemeanours are small ones and quickly forgiven as his unassuming charm disarms Maggie and Dash. Even Tom can't find fault with the new recruit, whose initiative and enthusiasm for menial tasks prove an immediate asset. But Jack's sunny welcome to Mt. Thomas is clouded by a report of sexual assault at the local retirement home. This one requires a woman's touch. Maggie and Dash visit the home to discover the alleged victim is in the early stages of Alzheimer's disease. She claims her assailant is the devil. Maggie is not prepared to dismiss the report and neither is Dash, who finds the devil alive and well in the Mt. Thomas video store in the form of a plastic mask. As the new kid on the beat, Jack is ready for some action. PJ and Ben aren't about to let him shine all day long and dispatch him on a wild goose chase around the