Taking up the newspaper story of Vito, a 14-year-old stateless orphan, who escaped from his life as a cabin boy on board a tramp steamer, docked in London, under a vicious captain. Arrested by the police for theft Manfred decides to help Vito to get permission to stay in England. The captain is more interested in getting his stolen property back.
Young debutant Spanish bullfighter Cesarito Arenas has a secret fear of the ring after his father Cesar was killed in the ring at the height of his career. Vito, his trainer, enlists the aid of visiting Tim Collier who knew the boy's father and in a heart to heart tells the boy the truth about his father.
On the Eire-Northern Ireland border a plot to blow up a police station by the IRA is foiled by Joe Nelson, a nationalist, who unlike the other saboteurs is strongly opposed to violence. Captured by the police and then freed by his fellow saboteurs to be tried as a traitor. Nelson's girlfriend asks Manfred to help resolve the problem of a heritage of divided loyalties.
Tim Collier's friend Ernst Frenke arrives in Paris with his wife and adopted son, Colliers Godson, carrying a million dollars to buy jet fighters from black-market racketeers for his small middle eastern country. When his son's real mother turns up and the boy is kidnapped for a million dollar ransom Collier has to find the kidnappers who know he has the money.
A scandal involving the supply of faulty ammunition to the French army fighting in Algiers is investigated by Tim Collier and leads to one of the most honoured families in France whose reputation the proud and aristocratic matriarch of the family is determined to protect and prevent him from revealing the truth.
Poccari stumbles onto a highly organised slave market based in Rome when Jeff Ryder asks him to look after an American journalist, Dexter, due to arrive in Rome to give evidence at United Nations committee. Dexter has vanished and Ricco is aided by Rosalina who is close to both Dexter and the head of the slave ring.
Manfred is given a list of persons who are Nazi sympathisers, trying to gain positions of authority, in Germany by a former concentration camp survivor. MI5 have their own opinions on the survivor and when Tim Collier reveals the list is phoney Manfred has to discover the man's motives and intentions.
A millionaire's urn to be auctioned to provide funds for a boys' home for the poor of Naples is stolen and Pietro, a former juvenile delinquent, is suspected of the crime and runs away to Poccari who believes the boy to be innocent of the crime and sets out to find the real thief with the help of the urchins of Naples. English
Princess Maya is the fun loving younger sister of the King of Kawlat wasting her riches on her boyfriend Bruno. Bruno, in debt, is blackmailed by rebels planning a coup and when Jeff Ryder arrives in Rome to inform Poccari that the King has been killed, Poccari realises the next target is, the next in line as Queen, the reluctant Maya.
A young British Army Officer on active service on an island colony under martial law goes missing for six weeks and is sent for court-martial for desertion. The officer's mother appeals to Ben Manfred for help but when the officer offers no defence and is found guilty Manfred suspects more to the case than meets the eye.
When a young woman is charged with the murder of her husband by poisoning, the evidence of the popular local doctor is accepted without question by everyone except her lawyer who was once a student taught by Jeff Ryder. Ryder is asked for help and finds himself at the mercy of an angry mob and a doctor with his own sense of justice.
A friend of Ben Manfred's is murdered in a small French village of Saint Paul after discovering a German sympathiser from World War II in the village. Manfred goes to the village to investigate and he finds the whole village against him, but he is determined to bring the murderer to justice and expose the traitor.
Four men who last met in battle during the Allied invasion of Italy in 1943 are reunited by the death of their former commanding officer to hear a message recorded shortly before his death. He appeals to them to form a quartet dedicated to fighting injustice and tyranny with a large sum of money he has left for that purpose. They agree and become the Four Just Men.