On the eve of college graduation, Cheng Sinuo and Lu Yu met on campus. It was obvious that he was attracted to her first, but he didn't want to admit it until Lu Yu expressed his feelings first. After graduation, they went their separate ways. At this time, their love was surging but they did not change their original intentions. After going round and round, the two finally entered the door of marriage. However, an unexpected event breaks the tranquility of the newlyweds. A long-buried secret is revealed, and the fate of the two is once again in turmoil. She once said bluntly that he was her favorite but not the only one, and he vowed that she was the only one who loved him most in this life. Facing the test of fate, can their former love come back?