James Darren [The Guns of Navarone] stars as a jazz trumpeter in the throes of a breakdown who is sucked into a perverse mire of psycho-sexual horror after finding the dead body of girl he had watched being stripped and whipped the previous evening at a party. Now Darren along with his sultry girlfriend (singer Barbara McNair), a kinky lesbian (Margaret Lee), a depraved playboy (Klaus Kinsky)...and the mysterious, insatiable beauty, (luscious Maria Rohm) begin a journey that may lead them all straight to hell.