Synopsis

At a yoga retreat promising weight loss, a guest named Atsuko Degawa dies from poisoning. Initially ruled a suicide, the truth is unveiled by Conan. He identifies Tsukiko Satoyama, the resort owner, as the perpetrator. Satoyama had laced the plastic wrap used to reheat Degawa’s food with poison. The discovery of the tainted wrap on her dog leads to her confession. She reveals that Degawa's scathing reviews had driven her parents' business to ruin, ultimately leading to their suicides.