A couple on holiday in Haiti become involved in a series of savage murders linked to a doctors a new invention, a drug with extreme side effects.
Anthony Steffen
Doctor Williams
Anita Strindberg
Grace Wright
Gabriele Tinti
Fred Wright
Umberto Raho
Philip
Stelio Candelli
Garner
Kathryn Witt
Robin
Alfio Nicolosi
Peacock
Gordon Felio
Richard Osborne
Bob Lemoine
Pierre Richard Merceron
