Chen Hang signed a gratitude contract with Su Qianqian's mother, giving up his dream of building up the northwest region and becoming a live-in son-in-law in the Su family. For five years, he took meticulous care of Su Qianqian. However, in an unexpected fire, Chen Hang found that his efforts couldn't win Su Qianqian's true heart. Her beloved Mr. Right, Li Xiang, was about to return to China. So Chen Hang decided to leave. After Chen Hang left for the northwest region, Su Qianqian finally realized her own feelings, but it was already too late.