Tells the story of three brothers, Yu Da Hai, the elder brother who was laid off from his job, Yu Da Yong, the second brother who is a businessman and Yu Da Jiang, the third brother who suffers from leukemia and is matched with bone marrow. All three of them try to find their fourth brother, Yu Da Shui, who has been separated since many years. It tells the story of how the four brothers reunite and get along with each other.