Aircraft tycoon Robert Twyman is in receipt of notes stating that if he does not 'confess' his spoiled son Calvin will be killed; and indeed the boy is strangled. Twyman's butler, Wallace's strange behavior makes him suspect; but Robert believes the culprit is journalist Rosie Everton, seeking a meaty story. When Rosie is also murdered, Mallory arrests Robert; but Father Brown believes that visiting psychologist Mordaunt Jackson holds the key to solving the murders.
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A Nightingale Sang in Berkeley Square
Lyrics by Eric Maschwitz
and music by Manning Sherwin
Performed by Nancy Carroll
(as Lady Felicia) and Sorcha Cusack
(as Mrs McCarthy) See more