In an industrial small town of Gobi area, Xiao Sichuan, Guokui and Zhenhua worked in the same factory before and became friends with each other. Now each of them has his own trouble, but there is one thing in common, they all owe big debts. The deadline of dunners' arrival feels like a sword over their heads, they have to use all kinds of street smart to deal with this trouble. They are timid, foolish but still have some good heart. The pressure of debts is making them losing bottom line gradually, three old friends began to walk on the edge of crime. Mine, Gobi, detonator, successology, short video, blockchain, the flood of information has destroyed this small town and the people of Gobi area. It is a corner of the big world, those people seem connected with the modern world, but they also feel being forgotten by the whole world gradually.