American Steve Kendall, a freighter’s radio officer, discovers seaman Carlson sending an unauthorized message ashore as the ship approaches his war-poised homeland. Carlson is shot in cold blood when he jumps ship and Kendall, implicated in the espionage, swims ashore to avoid arrest. A woman he meets at the dock hides him in her apartment, where he learns Carlson was her brother, and they both work in a sabotage ring. Nedra is a singer at Tio’s Cafe, and she approaches Tio for help when both the saboteurs and the secret police try to capture Steve.
Claire (an American) wakes up in a terrible state at the end of a runway in Spain. As she tries to account for her state (blood-soaked and bruised), she has flashbacks from the past few days. She thinks she’s killed someone, but isn’t sure, and now she’s wandering the Spanish streets without money or a clear memory.
A wave of gruesome murders is sweeping Tokyo. The only connection is a bloody X carved into the neck of each of the victims. In each case, the murderer is found near the victim and remembers nothing of the crime. Detective Takabe and psychologist Sakuma are called in to figure out the connection, but their investigation goes nowhere. An odd young man is arrested near the scene of the latest murder, who has a strange effect on everyone who comes into contact with him. Detective Takabe starts a series of interrogations to determine the man’s connection with the killings.
A closed room mystery begins when an infamous tycoon is found dead in his bath tub. The famous police lieutenant Palmu is summoned to investigate.
The legist doctor, Juan Carlos Lozano, is in charge of investigating a series of murders of women. However, he wishes to renounce the case, since he has had nightmares about a mysterious man without a face. Without knowing what to do, he goes with his friend and psychiatrist Eugenio Britel, who encourages him not to give up on the investigation, as well as to start a treatment to discover the reason for his dreams.
An American in West Berlin finds himself caught up in murder and intrigue after his associate is killed and a diplomat’s daughter is found dead in his room.
In the not-too-distant future, two New York businessmen plot to play two multinational rival corporations against each other, with a little help from a shady Italian street woman, to obtain an important Japanese businessman for the company they work at, only that things are not always as they appear.
The editor of a sleazy tabloid newspaper has been borrowing money from his lover, the wife of a rich theatrical producer, and promises to marry her when she gets a divorce. However, the husband refuses to grant her a divorce, and takes back all the money and jewelry he has given her. The editor sees her husband leaving her apartment and, seeing his opportunity, kills her, takes all his IOUs (and the jewelry) and frames the husband for the murder.