Detective genius Nero Wolfe and his assistant, Archie Goodwin, are private investigators based in New York. With Wolfe's unmatchable wits and Archie's tireless legwork, no mystery is unsolvable. A recently widowed socialite is left in a predicament after a baby is abandoned on her doorstep. Hoping to find the baby's mother, she hires the services of Nero Wolfe. However, while Archie's investigation unfolds, a series of murders changes Nero's priorities.