In The Tea Leaf Murder Case, Mr. Keen, a renowned investigator, and his partner Mike Clancy are called to solve the murder of Anita Holland, who is discovered dead in her tea room. The scene is grim, with Anita found lying on the floor, a knife in her throat, and the atmosphere thick with mystery. Keen notes that Anita was likely reading tea leaves when she was attacked, and the presence of tea leaves in the cups suggests a deeper connection to the crime. As they investigate, they uncover peculiar clues, including clothes found in one of the teacups, hinting at the killer's identity.