The Husband

Taeju asks his wife, Seyun, for a divorce. The next day, she vanishes and he gets an unknown call.

While at his in-laws' for help, Taeju gets another strange call. Seyun wakes up in a strange room.

Taeju escapes the police to save his wife. Seyun learns the meaning of the girl in the red hat.

As the police close in, Taeju makes a desperate escape. His hope of seeing Seyun again is short-lived when he's faced with a photo of a brutally murdered woman. Meanwhile, two gunshots ring out in the dead of night at Dongchan's house.

The kidnapper agrees to the deal for 3 billion won. A car with its headlights on slowly emerges.

Having obtained the kidnapper’s home address, Taeju hurriedly hides in a doctor's office to avoid the detectives pursuing him, only to come face-to-face with an unexpected person. In the meantime, Seyun escapes and spots a car in the darkness.

Psychopathic killer Noh Manhui reveals his true colors. Taeju and Seyun fight for their lives, but Manhui's ferocious determination to kill pushes them to the brink. Once again, they find themselves on the verge of death.

Jeongsu's attempt to kill Gyeongae fails. But Taeju is haunted by Jeongsu's claim that he was "just following orders." Taeju suddenly thinks of someone inside the hospital who is connected to them both.

Kidnapper Noh Manhui and the mastermind behind him remain at large. Taeju poses as Gyeongae’s doctor to uncover the truth… Team Lead Jang discovers an unexpected piece of clue while checking the security cameras.

After a tense standoff, Taeju and Manhui each uncover pieces of the truth. Meanwhile, Seyun learns the full story of that nightmarish day.