San Qingge (played by Huang Xuan), who suffers from "social death", goes undercover to a hotel called Laifu Hotel near the hospital to raise money for his father. He tries to disrupt the business of Huang Hotel and forces the owner, Xiao Lin (played by Liu Yan), to agree to the demolition. But in his interactions day and night, Sanqing not only gradually developed friendships with the members of the hotel, but also witnessed the life stories of the guests coming and going in the hotel. His inner struggle was constant, and the originally simple undercover mission became his choice that was about dignity. The fate of the hotel not only affects everyone living here, but also affects Sanqing's desire for home. But his wavering and hesitation, however, brewing a greater crisis.