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.

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.

Two fires break out in different locations. The first responders find themselves in a crisis.

The first responders and the NFS cooperate to uncover clues to the serial arsonist.