A group of rebellious youth find themselves in hot water when a girl is killed while they are partying

Hector travels with Luisa by the road linking Madrid with Barcelona. When another car suddenly crosses his path, his vehicle leaves the road and plunges into a tree. Hector dies and she is seriously injured. The other car was occupied by Jorge and Paula, her lover. Several vehicles cross before the car crash and do not stop, each for a different reason. Among them is Julio, a truck driver who does not stop in order to reach his destination on time, not knowing that at the wrecked car travels his old girlfriend.

A French Foreign Legion commander is told to assemble a unit and capture an Algerian rebel leader. He gathers in his old unit, most of whom are no longer in top form. One is having nightmares of past indiscretions, another is now drinking, another has lost his nerve. He takes them in captures the leader, but then is unable to make it to the pick up. He encounters a rebel patrol and is trapped unless they can escape before their water runs out.

A police inspector makes his service in a patrol car attenging emergency calls. A memory hauns him, the death of her daughter, who was killed hit by a car that fled. The car is located and the inspector goes there and confrontation will be violent.