Katharine Milford commits suicide by jumping out the window. Her brother, Richard refuses to believe the police story about suicide, and when it is discovered that more people had contact with Katharine died in the same way he starts a private investigation, which leads the man into Londons 'dirtiest hippie clubs. It seems that music is the common factor in all suicide - or was it murder?
Romina Power
as Fanny
Brett Halsey
as Richard
Marilù Tolo
as Helen
Fabrizio Moroni
as Harry
Alberto Dalbés
as Albert Stone
Óscar Pellicer
as
Gérard Tichy
as Inspector
Miguel de la Riva
as Loco
James Fontaine
as
Manuel de Blas
as Boris Molders
Dan van Husen
as Beatnik
Lili Muráti
as Professor Stone's Widow
