Synopsis: When three sorority sisters are left alone for the weekend, they invite some frat boys over for a seance. The crystal ball turns the girls into voluptuous sirens, but when the boys give in, they turn to dust after the fun. The frat guys have to find an exorcist to return the girls to normal.... When three sorority sisters are left alone for the weekend, they invite some frat boys over for a seance. The crystal ball turns the girls into voluptuous sirens, but when the boys give in, they turn to dust after the fun. The frat guys have to find an exorcist to return the girls to normal. [More]