Ralph and Smith are friends. Jem - short for Jemima - is their new roommate. Ralph has fallen head over heels for Jem, who thinks she's in love with Smith, who harbors a secret passion for Cheri, the femme fatale in the apartment on the top floor. But Cheri has cast an eye on her downstairs neighbor Karl, who's settled in domestic bliss with Siobhan, a woman who is beginning to discover that life might hold all sorts of tempting possibilities.
Then Ralph hosts an unforgettable soiree...