Overview

One day, 25 years ago, missing Chun-bae's letter is delivered to his cousin, Jjang-goo. The letter contains Chun-bae's lover, Bok-soon, and other people's letters. Jjang-goo finds Bok-soon to deliver the letter and meets class president Jang together. The three people recall their memories from 25 years ago, and eventually faced the person who sent the letter. Through that, the tangles begin to unravel.

Top Cast

Seo Hyun-woo

Jjang-gu

Han Sa-myeong

Choon-bae

Seo Jin-won

Detective Cha

Yoo Ji-yeon

Bok-soon

Kim Dae-jin

Chief Jang

Im Ho-kyoung

Teacher Kim

N

No Si-hong

Yoon-bae

Jo Young-ji

Young Ok-hee

Lee Geun-hoo

Chief inspector

K

Kim Do-dam

Gang