The circus returns to Kembleford and local waitress, Laura, is held to her promise given in jest the year before to marry the clown or hypnotist. The clown is murdered naming the hypnotist; Laura's boyfriend, the clown's girlfriend, and his fellow clown are all suspected and Laura's willingness to marry the hypnotist puzzles Father Brown even though he agrees to marry the couple.
Elenco: Mark Williams , Sorcha Cusack , John Burton , Jack Deam , Nancy Carroll , Emer Kenny , Alex Price , Tom Chambers , Hugo Speer .