Sixty-year-old entrepreneur Zhou Jingshan has spent twenty-three years pouring all his resources into raising his adopted daughter Zhou Yuwei and her family. Yet when his stomach illness flares up, he is forced to make way for her pet's birthday. Disillusioned, Zhou Jingshan chooses to stop his bottomless support and tracks down his long-lost biological daughter, Zhou Nianning. Unwilling to lose their reliance, Zhou Yuwei's family cross boundaries step by step for money, ultimately causing a major disaster. After going through twists and turns and entanglements, Zhou Yuwei bears the consequences of her choices. Letting go of the past and accompanied by his biological daughter's family, Zhou Jingshan finally enjoys a peaceful and relaxed twilight life.