Zhang Li, a poor errand boy, accidentally received a mysterious brass medal, which has the ability to teleport him to the wasteland world. He can bring back an item every time he goes back and forth, until he discovers that there is a lot of gold in this world... He must use this ability to survive and grow in the dangerous wasteland world, and fight against various forces and terrifying monsters, and finally uncover the secrets of the medal and the wasteland.
