The male protagonist Cameron met the female protagonist Bobby on the train. The hero and heroine had a misunderstanding because of a piece of chocolate. They just smiled and left. When the hero got out of the car, they found that what he ate was not his own, but the heroine's. Soon after, the hero and the heroine met again on the train. The hero felt sorry for his rudeness and gave the heroine the picture he drew for the heroine last time. When he got off the train, the hero hadn’t I wanted to get the contact information of the heroine, but the heroine returned the painting to him, and then found out that there was her contact information on the back. Afterwards, they fell in love and got married, and had a lovely child, but the good times were not good. Long, not long after, Cameron discovered that he had a tumor and was terminally ill and would die soon, so he concealed his illness from his wife Bobby, found a cloning agency, and tried to find a way to replace him with a clone. , to accompany his wife, and the wife finally accepted the clone to replace Cameron to accompany her