商品簡介
Detective Evelyn Blackwood investigates a murder in a locked room, where the windows are secured and the door bolted. As she examines the scene, she finds a single wet footprint and no weapon, leading her to suspect one of the guests. With a keen eye, Evelyn observes their reactions, sensing guilt among them. Following the footprint, she discovers a hidden latch in the fireplace that opens to a secret passage. Confronting the murderer, who planned to escape unnoticed, she asserts that "every secret leaves a trace." Evelyn reveals the truth behind the crime, restoring calm to the shaken household as the police take the culprit away. The case showcases her sharp intellect and determination, leaving a lasting impact on everyone involved.
