When a high profile, charismatic and popular politician is discovered to have founded his business empire on drug running, the Prime Minister realises this news has the potential to bring down his Government. Specialists in "black", or "covert" operations, Section P exists to respond to the needs of Her Majesty's Government. It is charged with the sensitive task of cleaning up and covering up by any means necessary. The Section's director, Sir Harry Buchanan, is dead. His successor Vanessa Stone, soon realises the extent of the forces arrayed against her. Against her better judgement, Stone turns to her most potent asset, the beautiful and ruthless female assassin, Clarion.