The Lakeside Murder Case

Three couples are staying at a lakeside cottage with their children. They want them to prepare intensely for a prestigious high school's entrance exam with the help of a private tutor. One night, one of the wives confesses to her husband that she has killed his mistress.

Starring: Koji Yakusho, Hiroko Yakushimaru, Akira Emoto, Etsushi Toyokawa, Shingo Tsurumi