Li Shande, a low-ranking official, is unexpectedly tasked with delivering fresh lychees from Lingnan to Chang’an under extreme time constraints and harsh conditions. Forced into this high-stakes mission, he embarks on a perilous journey to complete the impossible.

讲述了男主李善德本是一个籍籍无名的底层官员，却因被人设计，摇身一变成为“荔枝大使”，无奈中接下送荔枝的高难度差事，从岭南到长安跨越千里，在极限时间和匮乏条件下完成任务。