Contains spoilers for this episode and earlier episodes.
Se-ri embraces Jeong-hyeok after he assures her that their reunion is real. He explains that Cheol-gang escaped and has come south to harm her. A flashback shows the dangerous tunnel journey Jeong-hyeok made to follow him. Se-ri brings him home and begins helping him blend into Seoul, although their happiness is limited by his intention to leave as soon as the threat is caught.
Se-hyeong and Sang-a visit with a recording proving where Se-ri has been. They threaten to expose her, revealing to Jeong-hyeok how little truth there was in her claim of a warm family welcome. He comforts her after they leave. While his men struggle to locate him in the city, Se-ri buys him clothes and introduces him at work as her bodyguard. Back in the North, Dan offers the displaced Seung-jun a place to hide.
Cheol-gang has gained access to Se-ri’s workplace by posing as a security guard. A broker’s promised meeting draws Jeong-hyeok into a fight with hired attackers while Se-ri discovers the officer in her car. She escapes on foot but loses her phone, which Cheol-gang uses to lure Jeong-hyeok to the garage. Se-ri calls out that she is safe and warns him about the gun. In the darkness, Jeong-hyeok reaches her before their pursuer can.