After the surprising death of his singing and life partner Charles, eccentric pop star Harry Hansen has lost all drive. Only his neighbor, the widowed surgeon Nicolaus Roeder, cares for him. To finally pull Harry out of his depression, he urges him to hire the unemployed cook Rosa as a housekeeper.
The yacht of millionaire Hellmann explodes in the Mediterranean Sea, with him and 8 men crew on board. Insurance agent Lucas investigates at the Cote D'Azur, because there's the suspicion that it could have been suicide. He finds out that Hellmann's villa was monitored, the tapes also contain information about the explosion. He uses them for blackmail.
Unusual race relations melodrama from West Germany follows a German sailor who meets and weds a Chinese woman while on leave in Hong Kong, only to meet with disapproval from his family and friends when the couple returns to Europe.
Both Scotland Yard and an amateur American sleuth are tracking a master criminal known as The Frog. This moniker refers to the bulging-eyed mask worn by the evildoer, and is reflected by the frog icons painfully tatooed onto the forearms of his henchmen. The trail leads to the country manor of an enigmatic, steely-eyed nabob, whose repressed son has eyes for the artistes at the Lolita cabaret, and whose lovely daughter captures the fancy of both the American playboy and the villain himself. Murder, kidnapping and seduction ensue.
A doctor goes to meet a beautiful girl at a park bench near a wooded area. When he arrives, he finds her battered body lying next to a stream! He then finds himself to be the prime suspect. Who's the killer?
Based on the records of the Nuremberg trial of the chemical giant IG Farben; a story about the collaboration between international corporations and Nazi scientists, whose research contributed to the death of millions.
The chemist Dr. Hans Scholz lives through a tortuous political transformation and maturation process. Eventually, he adopts political neutrality and closes his eyes to the fact that the poison being produced in his factory is being used in the extermination camps. Standing before the judges at the Nuremberg trials, he must face the fact that he is implicated in the deaths of millions in the gas chambers of the concentration camps.