While in custody, a suspect dies of an apparent heart attack. Later, Kang Woo receives a message from the real and elusive mastermind.

Kang Woo and his team mobilize to rescue Park's wife from a kidnapper. But they clash with Chief Inspector Na's unit, which also wants the same man.

The Golden Time Team begins to investigate Chief Na, but when one member gets overzealous in his search, they unwittingly alert their target.