Five years ago, He Jingchuan left his healthy younger son behind and drove his eldest son, who suffered from heart disease, and his wife, Wen Yutang, out of the house. He later lost his memory in a car accident. Five years later, an incident in which the wrong child was picked up brings the twin brothers back together and reunites He Jingchuan with his ex-wife, rekindling their feelings. The older son timidly longs for his father's love, while the younger son always stands up for his mother. As the cruel truth about their past is gradually revealed, He Jingchuan finally understands that a simple apology is far from enough to repair his broken family.