Xiangcheng, a declining fifth-tier town, is about to hold an international marathon. Around this marathon, all kinds of people appear: young people from small towns who organize weddings, gangsters who open mahjong parlors, an acrobatic troupe with few people, and the boss behind the counterfeit money business... Zhang Kuang wanted to hitch a ride on the marathon and opportunistically "borrowed" the elephant from his girlfriend's acrobatic troupe. However, he accidentally lost the elephant and was involved in the vortex of the counterfeit banknote case...