Conan returns from Agasa's and fall asleep. Rachel returns home and removes his glasses discovering his striking resemblance to Jimmy. Richard is hired by Nina Tathers to investigate the death of her husband, Carl Tathers, a famous magician. She explains the police have concluded it to be suicide by ingesting poison but there are doubts due to finding two cards glued together at the scene. They are invited to the mansion to investigate the crime scene. As they investigate, Conan notices in Carl's picture collection of his students, that the picture of Atrimus Plomtholyd is dustless. Nina reveals Artrimus to be Carl's favorite student who passed away in an accident fourteen years ago. Conan points out that Carl died with his hands behind his back, a strange posture for someone who died from poisoning, and concludes he was tied up and the murderer must be one of Carl's three students; This was missed due to the police mistaking the rope marks for rings marks. As they investigate, Conan notices that the cards resemble the picture of the redial button on the phone which dials the number 126871*32489*13548*1397.