As a mysterious note foretells harm to Lynn at the casino, Philo Vance takes the warning to heart, despite the DA's dismissal. At the casino owned by Uncle Kinkaid, Lynn is indeed poisoned, but recovers. Meanwhile, his wife Virginia falls victim to the same toxin at their family home. With a family member as the only possible suspect, everyone's dark motives come under scrutiny. Philo must unravel the tangled web of clues to uncover the truth and bring the perpetrator to justice.
The Casino Murder Case
Socialite Lynn Llewellyn's life is turned upside down when he receives a chilling anonymous threat, which leads to a poisoning attempt at his uncle's casino.