Unforgettable

On a live music radio show, a letter arrives from twenty-three years in the past. Through the letter, the first love and friendships of five friends are revealed.

Cast

Doh Kyung-soo

Beom-sil

Kim So-hyun

Soo-ok

Yeon Jun-seok

San-dol

David Lee

Gae-deok

Joo Ah-reum

Gil-ja