A girl is found near-term dead at a private school fete that Father Brown is attending. His observations and intuition set him against the conclusions of the police, after suspicion falls on a pupil.

Cast: Robert Vernon, James Wilby, Milo Twomey, Sammy Moore, Mark Williams, Sorcha Cusack, Emer Kenny, Toto Bruin, Alicia Charles, Jack Deam, John Burton