Gendai eizō kikaku

After school two virginal high school girls, Mari and Emi, decide to visit a disco club in the red light district. While Mari is dancing to the beat Emi is picked up by two men and sexually assaulted. The next day the two men try to force Emi into prostitution. When Mari finds out what happened to her best friend she burns with revenge… and conceals a razor.

One day, Reiko, a female college student who aims to be active in the world of mass media, is asked to investigate the actual situation regarding sex among female college students. Reiko infiltrates the girls' dormitory, but as soon as she moves in, Kyoko, who manages her dormitory, forces her to attend a party on Saturday night...