 Antonia Dyer is young and rich - an aristocatic beauty. But in private she is also a drug addict. Motorcycle messenger Mike Stone becomes involved with her when he delivers a package from Tony Vernon-Smith an aristocratic thug who can  supply  anything - at a price. Ofcourse money is the one thing Antonia isn t short of. Stringer is a ruthless Drug Squad officer who becomes unhinged when he discovers that his daughter Sandy is also involved with Vernon-Smith s Chelsea drugs scene. A complex story unfolds.