In the spring of 2017, after finishing the documentary Animal World, the independent filmmaker Ouyang Dong turned his camera to a foreign woman, Mary, played by an inflatable doll who was nearly drowned. However, in the process of filming Mary, Ouyang Dong ran into various difficulties. Moments of anger and helpless, he left the hospital with Marry. In the meantime, the police have spread their net very widely. A surprising climax awaits Ouyang Dong.