Nebbish Seymour Krelboind works for the ultra-cheap Gravis Mushnick at his skid row floral shop. He's infatuated with his coworker, Audrey, but knows he'll never be able to win her over—that is, until he grows a special plant he calls Audrey, Jr. The only downside? Audrey, Jr.'s ability to talk and its hunger for human blood!