He was young and frivolous, and for the sake of so-called love, he accidentally seriously injured others and was imprisoned.
She originally had a happy family, but her father accidentally killed someone in an accident. From then on, the family was broken up, her mother died in depression, and she was still worried about her father.
In prison, he received help and instruction from her father.
He was released from prison and he promised her father that he would find her...