Plot: Ran, Sonoko, and Conan are at a yoga weight-lost resort when one of its customers, Atsuko Degawa, dies from poison found in her food. Originally deduced to be a suicide, Conan reveals the culprit as the resort's owner, Tsukiko Satoyama, who had poison laced on the plastic wrap which mixed with Degawa's food when it was re-heated in the microwave