While vacationing in the mountains with his adopted daughter Asa, private investigator Satoshi found himself stranded at a remote ski resort along with a handful of vacationers when a snow storm cut them off from the rest of the world. Everything was going great until one of the vacationers was found brutally murdered in his room. Being an experienced detective, Satoshi sets to his usual job of finding the killer. Trying to figure out the perpetrator's identity, he uncovers a lot of unflattering facts about other vacationers and even clears up some secrets of his own past. But while the detective is on the trail of the killer, other vacationers are inclined to point the accusing finger at him...