 Treasury agents, desperate to get evidence on syndicate kingpin Dutch Becker, give ex-con hood Casey Martin a choice...life in prison or courting sudden death as a government  finger man.  Finding that his sister is now a drug addict thanks to Becker, Martin agrees to go undercover. Becker s chief aide proves to be sadistic Lou Terpe, Martin s former cellmate whom he can t stand the sight of. And the danger hanging over Martin expands to threaten those around him...