In order to raise money for surgery for her seriously ill grandmother, a young girl named Zhou Wan deliberately got close to her mother's stepson, the rebellious young man Lu Xixiao. However, while being "used", she gradually fell in love with Lu Xixiao. However, the adults shattered their innocent wishes and made them fall in love.The supposedly beautiful summer of youth parted ways. 

Ten years later, Zhou Wan and Lu Xixiao met again after transforming into strong men.Lu Xixiao, who still couldn't forget his love and old pain, tried to "retaliate" against Zhou Wan and asked her to repay the love debt he owed, but found that he still couldn't suppress the urge to love her... The original lie was finally broken by true love.