Nick and Nora Charles are back - and this time, they have a baby, a wealthy new client, and another murder to solve! Retired detective Nick is enjoying family life with Nora and their young son, Nick Jr., when eccentric industrialist Colonel MacFay asks for protection after receiving threatening messages. When MacFay is found dead at his isolated estate, Nick and Nora spring into action, questioning a houseful of suspicious guests and uncovering greed, blackmail, family secrets, and a dangerous inheritance plot. With their trademark wit and sophistication, the glamorous couple balances parenthood, parties, and peril as they race to expose the killer.