Hometown

Jung-hyun returns to her hometown in 12 years and panics to learn her niece has disappeared.

Hyung-in finds a decisive clue to Jae-young's case, a tape, and hears creepy noises recorded in it.

Drug is detected on Jae-young's body and Hyung-in realizes the case is related to drug trafficking.

Jung-hyun learns that Jae-young had texted her friends a month ago. Jae-young is still alive.

While new murders start happening in Saju, Jung-hyun finds a clue in a magazine she made in school.