Five strangers, each with his own special talents, are recruited by the mysterious 'X'. They do not know why they are brought together, but nonetheless agree to a series of potentially lucrative schemes. A planned bank robbery goes awry when a minor mistake leads to a hostage situation. The robbery is orchestrated by Hwan. When Hwan turns up dead at the designated meeting spot, the remaining men realize something is seriously wrong, and suspicion flares.

Yeon feels that she is living a crazy life in hell. Her husband, Sang-Pil, treats her as an object for violence and her life suffers because of her husband's debt. Her last hope is that she can start to live in New Zealand with her only child who is autistic. But Sang-Pil's debt ties her down when she tries to leave Korea. So she decides to prostitute to pay the debt and leaves her child in a Coin Locker. Now, it’s the last night before she will leave Korea…