Doctor Busujima was a 90 year old physician. To live forever, he sought a young body to transfer his soul. He found a married couple that was perfect, and injected the husband with a virus to entrap the wife. He called the wife to his clinic. She foolishly offered her body to the doctor to spare the husband, and after violating her, he let her "throw the switch", which she thought would save him. Instead, it shifted Busujima's soul into the dead husband's body...