Dr. Finlay's Casebook (1962)

S4E18 Thicker Than Water

Following the brutal slaying of a young Mafia attorney and his spouse, Cory discovers a six-year-old boy fleeing with his biological mother, a dancer with whom the attorney had an affair. Hesitant to involve the police, Cory grapples with the situation when she realizes that the FBI agent assigned to the case is the very person the boy has pointed out as the murderer who invaded their home. As tensions rise, Cory must decide how to protect the boy while confronting the dangerous truth.