Commissioner Leon (Miguel Angel Landa) investigates the murder of a woman in a population near the capital. The woman was raped before death and the case is complicated when his brother becomes the prime suspect, since it is a priest (Eduardo Serrano). Because of the implications that inquiries might have, Leon is pressured to keep the event as a "crab" (Cangrejo, or a unsolvable case), but he decides to comply with the law.
Commissioner Leon (Miguel Angel Landa) of the Technical Judicial Police is assigned to the kidnapping of a child of the upper class of Caracas. The details of the kidnapping the attention of Leon, as there is no evidence of violence in the child's home, or witnesses to the abduction. Based on that Leon believes that the hijackers knew the boy and soon begins to suspect several young people from wealthy families of Caracas.
Carmen is a beautiful woman working in a business that is dedicated to smuggling. One day, Carmen fights and hurts to a smuggler woman, so a sergeant in the National Guard, José Navarro, stops detain her. In doing so he also falls in love with her, but jealousy will destroy his passion.
A handsome young man is released from jail and goes to "El Pez que Fuma", a bordello in the outskirts of Caracas. La Garza, its middle-aged owner, hires the young man as handy man, but soon he takes the place of the administrator, who is also La Garza's lover.
This anthology film consists of three parts: "Story One: The story of the brave man", "Story Two: Angels Rhythm" and "Story Three: The false office of supernumerary". The first story tells of a man desperate to get money to cure the illness of his daughter. The second story tells the adventures of a gang of youths; and finally, the third story tells of corruption in Congress.