Mamoru Taguchi

Teenagers are rebels without a cause. Let it be for stress relief or just a way to kill time, Mami (Kumiko Akiyoshi) and Chiaki were always up to no good – but their luck runs out when they shoplift with some other girls at a local supermarket. They flee from the scene and head back home, only to find detectives at their front door.

Two semi-slackers with an ultra-intimate friendship work, slack and drink in a freezing Hokkaido town.

Fukami, a secretary engaged to company president Kaido, her employer, is invited by his close friends, the Nogis, to a three-day-two-night tour. The tour group is traveling in a luxurious coach to Lake Megami in the Tateshina Plains. On the way, they are disturbed to hear that Shirai, a hostess who was supposed to come along on the tour, has been murdered. And the next day, the body of Hasegawa, another tour member, is floating in Lake Megami...