When businessman John Dax's adopted son is killed and his wife badly injured in a botched kidnap attempt he first turns to the police for help. Informed that due to lack of any further evidence the police have gone as far as they are prepared to go with their inquiries, their lack of interest only strengthens the stricken man's resolve to seek retribution. Prepared to throw all the power and resources of the Dax Empire behind the exercise he hires the services of ex-soldier Harry Bishop and his team of mercenaries. Shot through with humour between the comrades-in-arms the drama heightens as step by step they attack and disrupt the Russian businesses, taking them by surprise and leaving no clues as to the motive behind the attacks. Their successful strategy of out-of-the-blue strikes eventually brings them to a confrontation with the Mafia bosses in Kiev in an exciting and fast-paced conclusion to this dramatic tale.