Recruited by the Professor for a job of unprecedented proportions, eight thieves storm the Unified Korea Mint. Police pull together a task force.

Seon Woojin waits for a crack in the thieves' operation. An escape plan centered around the retrieval of a hidden smartwatch puts Yun Misun in danger.

The sound of aballoonshot shakes up the Mint. Dissent among the thieves reaches new heights as some believe a line has been crossed.

Looking to turn a potential disaster into an opportunity, Woojin presses the Professor to allow medical personnel to enter the Mint.

Cha Moohyuk hurries a plot of his own into action. A key revelation on Woojin's end threatens to unravel the Professor's strategy.

As those outside the Mint panic, Woojin proposes she go inside with a cameraman so the thieves can show the public that the hostages are unharmed.

Woojin shifts her tactics after figuring out the real reason for the heist. Kim Sangman appeals to the thieves with a bold promise.

The hostages set their escape plan into motion while Park Chulwoo calls for backup. Cho Youngmin's attempt to be the first to leave the mint backfires.

The police interrogate a thief. Sangman steps in to take control of the hostage negotiation. A rescue mission takes place to bring a child to safety.

The thieves offer the hostages a choice between money and freedom. After finding out about his son's love affair, Moscow reveals his past.

A medical emergency puts the thieves on edge, while the deadline to carry out their plan is cut short. Woojin lures the Professor to a nearby hospital.

The police close in on the thieves as they prepare to transport the money out of the Mint. Fierce protests force Sangman to put his foot down.