After fifty years of marriage, Su Nianwan thought she was Lu Hanjin's true love. A diary revealed the truth - Lu Hanjin's heart was filled with deep love for Cheng Wan'er. Who is Su Nianwan? It was just a chess piece used by Lu Hanjin to repay his kindness. After being reborn as a senior in high school, Su Nianwan watched with her own eyes as Cheng Wan'er approached Lu Hanjin to greet her, and the two exchanged glances. Gu Yanci, the son of the richest man, chased Su Nianwan and said, "I owe you the nickname I owed you when I was a child. I will repay it with all my heart in this life."