This film is a story based on the bathing culture of Northeast China. The story tells about an ordinary little man, a bath scrubber, who lives in a small town in Northeast China. He traveled thousands of miles to Hainan to help his daughter and son-in-law manage the original Boao Resort. But when Lao Wu arrived in Hainan, his daughter and son-in-law ignored him and seemed a little dissatisfied with his arrival. But Lao Wu did not take it to heart. In order to make the resort, which was in a bleak business, better, he triggered a series of unexpected and hilarious events. In the process, Lao Wu resolved one sudden difficulty after another, and also won the recognition of his daughter and son-in-law. Finally, after hardships, he fulfilled his promise to protect his family and the beautiful environment.