Description
On a live music radio show, a letter arrives from the 23 years in the past. Through the letter, the first love and friendships of five friends are revealed.
Casts:
Doh Kyung-soo
Kim So-hyun
Yeon Jun-seok
Lee Da-wit
Joo Ah-reum
Park Hae-jun
Kim Ji-ho
Park Yong-woo
