Marjorie Doubleday is convinced that her daughter-in-law, Rita, is neglecting her young grandson, causing a rift in the Doubleday family which gets a lot worse when the baby is abducted from outside the shop. Nick and the team are forced to investigate the possibility that Marjorie may have kidnapped her own grandson. The villagers think a gang of hippies are to blame, and the case becomes more complicated when a patient of Kate's who is unable to have children is reported missing. Meanwhile, Greengrass buys a racehorse and begins training it up, but he once again incurs the wraith of Blaketon when the horse runs wild around the village.