The film is adapted from real events. The protagonist suffers from parental abuse. At the age of 13 in the runaways, fled into the mountains, a person alone Spent 43 years of cave life, was "discovered" has over 57 years old. Or boy he lived in caves in the mountains, to predation by snakes, rats for students, through the familiar tramp learned how to sell vegetables and learned words and female charm. In order to survive, and give full play to the potential of the body and mind, cave life filled with modern people missing some sort of power. On the other hand, he is slowly in the process of social reality, the confusion generated by the need to try to get rid of the lonely posture, will also inspire our hearts resonate.