It is the day after Christmas. Colonel Adams and his daughter are throwing a party. The neighbor, the girl’s uncle, her godfather and the local priest Father Brown are invited. The uncle comes up with a plan: they are going to arrange a masquerade play with costumes. It seems like a very good idea, until the three diamonds the girl’s godfather had brought her as a gift disappeared from his pocket. Luckily Father Brown is there and he will try to solve this case as quickly as possible. Will his intuition be enough or will a further investigation have to be led? Find out who the thief is in "The Flying Stars".