Young Nadine returns home with a gift for Capt. Hugo and a surprise - she is engaged to John Locke. Hugo tells her she should tell her uncle Martin Wellman. The cantankerous uncle tells her she can't get married and has her look at papers he threatens to show her fiancé. Nadine visits Locke in his lab where she steals some potassium cyanide pills while he is distracted. When she returns home, Martin is asking for his nightly hot chocolate. He has just told his other relative Marian Newburn and her husband Lester that they too have been cut out of his will. Nadine takes Martin his drink and is summoned again later to find him dying saying he was poisoned. Nadine goes under the care of a psychiatrist who recorded her confession under a truth serum. She says she poisoned her uncle and threw the evidence in a lake. The doctor takes the recording to Perry who talks to Nadine but soon finds himself the target of the police for interfering with evidence when he has a boy look for the bottle ... Written by
Did You Know?
The killer's identity is not revealed until the epilogue. See more