Case Closed Volume 15

Description

During a school field trip, Conan and Rachel end up in a mountain cabin with several members of the teaching staff. Conan gets quite a surprise when he answers the doorbell and a frozen teachers corpse falls into the house! To add to the mystery, a strange letter is written on the teachers hand, which sends another of the educators running to his room. Shortly after, hes found dead too! Can Conan put his brainpower to work and solve the mystery before the students run out of teachers?