骑劫地下铁Ah Huang, Ah Qiang and Ah Hui have been friends for as long as they can remember. When Ah Huang's mounting debts drive him to desperate measures, Ah Qiang and Ah Hui agree to lend him money. He uses the money to build an illegal business. Even after the business become successful, he refuses to repay the money to his friends. However, when the business collapses, Ah Huang is forced to question everything as his family, friendships, and remaining money are all threatened.