This Argentine-Spanish biographical drama takes place in the 1971s Buenos Aires. It follows Carlos, a 17-year old boy with angelic face and demonic character. While he looks like a normal teenager, Carlitos have a dark side nobody could imagine about. He is not only a thief, but also a murderer whose whole head is full of lies. Carlitos’ childhood was only a preparation phase for his criminal life as an adult. The turning point for him is at his new school. There he meets Ramon who reveals a world of love, brutal crimes and exciting adventures. The base for this film is the real story of the Argentinian serial killer Carlos Robledo Puch, known also as The Death Angle and The Black Angel.