A pandemic outbreak that originated in the laboratories of a pharmaceutical company. Those infected become captivated by sexual desire and attack the opposite sex and the attacked partner is also infected. Several years have passed since the incident at the pharmaceutical company where the rutting virus began and the world has forgotten about it. Tahara, a middle-aged gym teacher, is asked by a mysterious man to do something for him: to use the power of the virus to bed three women from a certain man.... He then takes advantage of his position as a teacher to administer the virus to the women... However, Tahara's desires do not stop there, and he infects the entire school with the virus. All the students are infected, and students and teachers everywhere in the school building are plunged into an orgy of sexual lust. Tahara begins to train the infected female students with his own thick meat rod....