A man is found naked by the side of a river in Wuhan in mainland China. His name is Luke, but he appears to be unable to speak, and is sent to a local hospital for diagnosis. Unable to determine the cause of Luke's condition, the hospital decides that he must be sent elsewhere. Soon, Luke's male nurse, Xiao Jiang, discovers that his superiors have decided to transfer Luke to a mental asylum. He then decides that he must rescue him and smuggle him out to his uncle's village, where they will have to evade capture from the local police.