Ma Tianze (Ou Hao) and Xia Mo (Zeng Mengxue) are a couple working hard to stay together in a big city. After three years of dating, they have started to face various practical problems and ultimately failed to get married. During the height of their romance, they made a “breakup list” and agreed that they could only break up after completing the weird items on the list. In the countdown to the split, as they reviewed the list, the two reflected on their three-year relationship and their respective growth and hard work. Can their list of tasks continue?