In the Mafia there is a conflict between the old and the new. One of the new-style gangsters is Carl Bonner, whose plans for taking over London entail the death of the existing London boss - his father.

When Riccardo Biffi, an economist working for the United Nations in Sicily, is shot by a border guard while carrying contraband in the mountains of northern Italy, Danny Scipio suspects the hand of the Mafia. He is right, but for all the wrong reasons.

Even the toughest man can be frightened. Eddie Marsh, odds-on contender for the World Heavyweight crown, is confident that he can beat the champion - if Mike Hammond can handle his managers. For the champion, Bob Stover, hasn't only got strength and experience on his side; he has the Mafia as well.

A series of 'accidents' is changing the booming Spanish resort of San Raphael from a tourist paradise to a town of hell. Mike Hammond, newest recruit to the Anti-Mafia Commission, arrives to investigate the accidents and break the web of terror that envelops the hotel-keepers and landowners of the town. When he arrives, however, his informant - owner of a small hotel - cannot be found.

When Danny Scipio abducts Angelica Sarti, he has to run the gauntlet of Mafia and police.

A cat has nine lives. How many lives has Angelo James?

A prostitute has been murdered In Rome - and a young man, Pietro Tasca, has confessed to her murder. But an Italian police officer, Major Carra, thinks that Tasca is taking the blame for someone else, and in order to keep suspected political influences on the police at bay, Carra calls in Danny and Angelo.

When Franco Garoia sends a St Valentine's card, it is not a token of love but a sentence of death. Scipio goes to Puerto Caragua, a small republic in Central America, to leave a Valentine with Garoia. But though the killings continue, it seems that the St. Valentine's man no longer exists.