Meeting is easy, but reuniting requires a lot of effort. This film tells a humorous campus story through a pocket watch that runs through the entire drama, telling the story of Lin Zhen, a transfer student from school, and Shen Hao, a cute and handsome student who sits at the same table as Shen Hao. However, Lin Zhen andShen Hao passed away due to illness just a few days after his next birthday appointment, but he persisted in keeping the promise for ten years. After Lin Zhen's death, he begged the angel to let him see Shen Hao again, in exchange for thisMy appearance, memory, and taking over the work of an angel. So, Lin Zhen became the angel Yin Xia. Ten years later, Yin Xia and Shen Hao, who had lost their memories, reunited. They were able to break through the obstacles of death and truly succeed in their journeyAre we together? Watching Angel Yin Xia lead Shen Hao back to complete redemption ten years ago