The film tells the story of a kid, Lin Qiunan who grew up in America. Lin Qiunan is a troublemaker with a “superhero dream”. He gets sent to China by his parents to stay with his uncle Yuan. They live together and Lin Qiunan believes that he needs to take care of “fragile uncle.” But his unique way of thinking and an effort but to their campus life and uncle love chaos. He gets involved in a international crime, a thrilling duel inevitable.