Alphy is invited to a party at a country manor, where he hopes to raise funds for the ailing church. The evening’s frivolities are cut short when a body is found in the basement.
An abandoned baby is discovered on the same day that a hotel manager is found dead. Things are complicated further when Geordie is blindsided by Will's news.
Will and Geordie investigate the mysterious death of a circus performer. Will receives a surprising offer that makes him question his life in Grantchester.