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.
Two men and a woman are about to experience living as a threesome, this process brings out of them their fears, some moral barriers must be dismantled before the complex process of understanding and accepting each other can succeed.
Trino, Nerio, and Alfonso are poor chamber musicians trying to survive by playing wherever they can. During a general's funeral, the musicians try to play funeral music, but the screams of one of them, who thinks he's seen the deceased's hand move, cause such a commotion that the participants run away in terror.
