When an ex-serviceman drops dead in the street, Father Brown investigates the facility where he was a patient. Could something sinister lie beneath the surface at Danvers Retreat?
Quest roles:
Keith Osborn(Sergeant Albright), Laura Main(Dorothy Underwood), Adrian Rawlins(Dr. Walter Henshaw), Peter Bramhill(Felix Underwood), Kenny Wyton(Jeremy), Terence Booth(Dr. Ernest Miller), Tessa Parr(Sarah Mulgrew), Helena Lymbery(Nurse Bridget Farrow)