An urgent note from a friend spurs Ann Gay to visit her cousin, Jacqueline Heaton, at the remote lakeside estate Fiddler's Fingers. To her dismay, Ann finds out that someone has been playing increasingly malicious tricks on the Heatons, and they seem determined to frame Jacqueline. But in this 1941 thriller by the author of The Listening House, the pranks escalate to murder and everyone on the estate becomes a suspect. No one is allowed to leave, and Ann realizes that the only way to prove her cousin's innocence is by snaring the murderer herself.