In the eyes of Mosaic (Wang Cho Lam), an urban sketch painter who suffers from ALS, people and things are suffering from ALS. He needs to collect some happy memories before his condition completely worsens. He has had a crush on his elementary school classmate Angelfish since he was a child.(Charlene Choi), he finally took the courage and made a last wish: Give me one day and be my girlfriend, okay?%