Mouse

A string of beheadings called the Head Hunter murders continues at a camping ground.

The Head Hunter is arrested as Mu-chi aims to kill the Head Hunter for revenge.

Chi-gook is found with stab wounds, and his watch is discovered at the scene of the vineyard murder.

Everyone struggles to find the reason behind the Predator's murders as sightings pour in.

Mu-chi collapses after seeing Mu-won in a terrifying state, and Han-kook is at death's door.

Bong-yi's anxiety worsens when Deok-su is released, and Ba-reum wakes up after surgery.

The investigators find a clue in the knot murder case, and Ba-reum puts his instincts to work.

Ba-reum hears a shocking story and is tormented by memories that lead to a powerful urge to kill.

Taken over by Yo-han, Ba-reum trembles in fear as he searches desperately for the culprit.

Yo-han continues to whisper in Ba-reum's head as Ba-reum snaps and does something unforgivable.

Ba-reum ignores Daniel's advice and basks in the thrill of murder, but evidence is found.

Mu-chi is shocked by the results of the culprit's DNA, and Bong-yi discovers a shocking truth.

Ba-reum clashes with Mu-chi, and Bong-yi learns who the true culprit behind the murder is.

Ba-reum's memories flood back, revealing something shocking. Mu-chi gets a call from Dong-gu.

Mu-chi is confused by Ba-reum's suspicious behavior as Ba-reum begins to learn more shocking truths.

Finally remembering the entire story of the murder, Ba-reum sets traps to catch OZ.

Yo-han's last words and the final pieces of the puzzle Ba-reum put together are revealed.

Mu-chi and Bong-yi get closer to the truth as Ba-reum goes to find the last piece of the OZ puzzle.

The police set out to arrest Choi Young-shin, but a lack of evidence leads to a release.