Former bomb disposal expert and his fiancée board a high-speed train. Also, a well-known physics teacher who was involved in an affair scandal, also boards the same train in order to win back his wife. At the same time, there's a bomb on the train!

Wu Peng embarks on a motorcycle journey, encountering a runaway girl, a grieving man, and a fleeting romance. Over ten days, his travels become a journey of self-discovery and healing.