Barcelona, Spain, 1921. A tough cop from Madrid arrives in the city to locate, under the suspicious scrutiny of corrupt local police officers, a significant amount of military weaponry stolen from a train, allegedly by revolutionary anarchists.
David is a boy who sends signals into space and has contact with an extraterrestrial. Twenty years later, his rocket is finally ready to see him again.
While Carlos, a banking executive, takes his two kids to school in his car, he gets a phone call telling him that there is a bomb under the seats and he must to gather a large amount of money; otherwise, his car will blow up.