Three years ago, Lin Xingchen entered the Gu family as a substitute and became Gu Yushen's wife. He hated her to the core and regarded her as a substitute. Three years of cold violence left her alone and disappointed. She endured it silently, but discovered during a secret investigation that she was actually Gu Yushen's late fiancée Shen Nian herself. When the truth emerged, she chose to leave with her injuries. He suddenly repented and begged for forgiveness on a rainy night, but all he got in exchange was "It's too late."