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The Golden Time Team continues to meet crime head-on. They respond to a subway bomb threat, but team leader Kyung Hak is yet to arrive at the scene.

Convinced that her suspect did not act alone, Kwon Joo considers her next move, and how best to rein in the unpredictable detective Kang Woo.

A recently released sexual predator is accused of a kidnapping. As Kang Woo heads to the scene, he runs into the man he believes is haunting him.

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.

A popular vlogger swears he has encountered a zombie, which goes on to attack more people. Skeptical, the investigators mobilize to uncover the truth.

Na plants more seeds of suspicion in Kwon Joo's mind, telling her of Kang Woo's past and bouts of amnesia. Eun Soo is threatened by an ex-boyfriend.

Amid suspicions that Eun Soo may have played a part in a stabbing, the team arrests its suspects. But they notice evidence of yet another accomplice.

Clues suggest Na is in danger. Later, an injured man resembling Kang Woo is spotted hobbling away from a bloody crime scene where Na's ID is found.

Cleared of suspicion, Kang Woo reveals his wretched past to Kwon Joo. Later, the true serial killer attacks Seo Yool and gives Kwon Joo an ultimatum.

Je Soo turns himself in, leading to an intense face-off with Kang Woo. An unexpected play from Je Soo launches Kwon Joo and Kang Woo into action.