Female student Tomomi Koyama disappeared during the rehearsal of an English drama, and blood stains appeared in the coffin, causing suspense. There is an emotional entanglement between Teacher Du and Mei Zhimei, and they meet A Qian after the earthquake. Aqian and Du were dependent on each other during the escape, but died unexpectedly, and Du was involved in the murder case. Michimi asks Du to help her retrieve the secret items taken away by Arisaka, and there are shocking secrets hidden in the process. The story is full of mystery and the relationships between the characters are complicated. Why did Mizhimei act like this? What is her secret item? Everything is waiting for readers to uncover.
