Masayuki visits a hot spring inn hidden deep in the mountains. He first visited the inn five years ago with his wife Yukari, who is no longer around. During Masayuki’s stay, the inn’s landlady, Tamami, makes him feel right at home — but then his former mistress Miyu pays him an unexpected visit… [Exists in two different versions (R18 and R15) with three diffferent titles.]

The daughter of a wealthy family, Ayano, was living a masked couple life with her husband, who was forced to marry. She cannot forget her love affair with Akemi, whom she loved during her school days. The two have been estranged since Ayano's marriage, but Akemi suddenly appears as her father's remarriage partner.

Misaki is an innocent woman whose mother is gone and her sister is disabled from a car accident. Her father sexually molests the two girls, and Misaki, her sister, and a friend turn to prostitution. It's only a matter of time before Misaki reaches breaking point.

Another million dollars is up for grabs as four more contestants enter the RED ROOM. Locked inside, they begin to play "King", a deadly card game in which the loser must perform whatever action the winner desires. The game is played till there is a single survivor. How far will the contestants go for a little hard earned cash? How much abuse can a person handle? Can you dare watch the horror of the RED ROOM?

悠斗（向理来 饰）是一个个性非常内向的少年，在班级里属于默不作声的那一挂，整日沉浸在自己的世界中。班上新上任的老师青山（盐口量平 饰）吸引了悠斗的注意，在不知不觉之中，两人开始了交换日记的举动。虽然不善言辞，但悠斗很擅长用文字倾诉感情，久而久之，悠斗向青山敞开了心扉。 一天，悠斗因为感冒而没去上学，担心的青山登门探望，两人独处一室，在暧昧的气氛中，青山没能控制住自己的感情，吻了悠斗。青山的吻给悠斗的内心里带来的极大的震撼，他激烈的拒绝了青山的求爱。之后，青山辞去了教师的职务，两人再也没有见过面，一晃眼三年过去。

How low would you go to win a million dollars? Just how desperate are you for the cash? Desperate enough to enter the Red Room? In this latest and most vicious game show to emerge from the Japanese underground, four contestants (a husband and wife on the edge of divorce, an office lady and a school girl) are locked in the Red Room to draw cards in the "king game." Whoever draws the king selects two others to enter a cage where one performs the most outrageous acts upon his or her unlucky victim. The game is played to the death. Survivor takes all, and the losers go home in body bags!

The Japanese have taken their horror films to the next level. This film is their new chapter since Guinea Pig. It's about a reporter se arching for a snuff film and she finds it. She does the 8 mm deal an ends up a victim.