Ma Tianze and Xia Mo, a couple who have spent three years together navigating the challenges of city life, find themselves facing the end of their relationship. Before they can officially break up, they must complete a quirky "breakup list" they created during happier times, filled with unusual tasks they agreed to finish before parting ways. As they work through each item on the list in their final countdown together, the process forces them to reflect on their shared journey of love, personal growth, and the struggles they`ve endured.