The Jiujing Gang is an inconspicuous small sect in the underworld. They are struggling to make a living all day long. They have to do some bodyguarding, escorting, selling medicine for bone-setting, promoting the culture of martial arts sects, catching thieves for neighbors, etc. to make a living. The gang leader and members come from all corners of the country, with different backgrounds, experiences, and personalities. They come together by chance to interpret the hilarious and lively daily life of underworld social animals.