Four children, the oldest 12 years old and the youngest 11 months old, are traveling in a small plane with their mother, when due to technical failures the pilot has to try to land on the Amazon jungle of the Colombian Guaviare. The small plane falls headlong into the trees, dying. the mother and the pilot, but the children remain completely unharmed, suddenly finding themselves alone and unprotected in the middle of the jungle. With the idea of ​​returning home, they begin to walk without knowing where to go exactly. They have no food or help of any kind. Groups of indigenous people begin to look for them as well as members of the Colombian army without knowing if they are alive or have perished. After forty days, an indigenous search group finds them and hands them over to the authorities (based on a true story).