Nine-year-old Lan lives a peaceful and happy life with his parents and sister in a seaside town. Then his father suddenly passes away, and time stops for this family engulfed in grief. One day, Lan receives a mysterious package sent by his father before his death. Inside is an antique clock whose second hand no longer moves, just like his dad. The young boy decides that he must fix this strange clock in hopes that when its hand moves again, the questions in his heart will also be answered.