Eight years ago, Nangong Jin turned down Su Mu’s confession because of his first love. Eight years later, the moment Nangong Jin saw Su Mu at their high school reunion, he fell for her. But Su Mu turned down his feelings because she had a boyfriend. Just when they thought they would miss their chance for good, Su Mu was dumped, and the two rekindled their romance. Just as they were about to get together, Nangong Jin’s first love appeared again… After going through one trial after another, they finally decided to marry. Just when they thought they would live happily ever after, fate played another cruel joke on them…