The background of "Lost & Found" is that at a certain time in the future, artificial intelligence robots devour human beings, persecute and transform the creatures in the world, and control their minds to serve robots. In a desert town, a transformed robot male is forced to perform a certain mission. On the way to find the mission target, he picked up a former photo. At the same time, memories gradually emerged in his mind. He recalled his encounters with his mother and understood why he was in this role now. The awakening of his memory attracted the pursuit of the robot soldier. At the time of life and death, the male stretched out his hand to the weapon on his waist...