Tank is an investigative reporter and jailbird, framed on scant evidence supplied by the London mob. Helen is the sensuous call-girl who offers Tank ammunition and retribution. But, retaliation is swift and brutal, in the guise of Sir Robert Knights and his equally lethal lawyer, Dunboyne. A series of hideous murders follow as the devil protects his own. Only Malling and Helen can halt the onslaught. But, for how long, and at what price?

Irishman Vincent Coke is facing execution on the electric chair after a lifetime of adventures, including smuggling rich Cubans from Cuba to the USA. While rebelling against the system, he finds an unexpected lifeline offered to him by the very system he is rebelling against.