Alejandro is an experienced airline pilot. He loves his profession but he hides a secret: a medical condition that, if discovered, would lead to his immediate retirement. The Intelligence Service finds out and they start blackmailing him by demanding that, without asking questions, he transport some mysterious suitcases on the Buenos Aires-Madrid route. Intrigued by the enigmatic cargo he is carrying, Alejandro is soon plunged into a universe of intrigue and corruption that will put him and those he loves in danger. His very life is threatened and he has to fight to survive.