Night guard Alberto, whose greatest ambition was to be a reporter, tries to clear a friend accused of a crime. With the help of his friend Ernesto, he investigates the events linked to the crime and is pursued by the real criminal. Jaime, the bandit, before dying confesses to the crime, after a plane chase in which he fell to the ground, with Ernesto in pursuit. Ernesto had moved from one plane to another, using a rope ladder and managed to stay attached to the plane's wings, saving himself.