Based on true events set during WWII in Northeast China, an ordinary man is thrust into a turbulent fate against the backdrop of the inhumane bacterial experiments conducted by the Japanese Imperial Army's notorious Unit 731.
During the Tianbao period of the Tang Dynasty, Li Shande, a petty official in Chang'an, was suddenly given a task to bring fresh lychees from Lingnan. The lychee is perishable, and becomes tasteless three days after it leaves the branch, and Lingnan is more than 5,000 miles away from Chang'an, so this is an impossible task. But for the sake of his wife and daughter at home, Li Shande was determined to give it a try.