In 1993, Jisu and Jaehyeon, who met for the first time at the protest scene and being a first love to each other. After 26 years, Jisu and Jaehyeon accidently reunite.

Yoo Ji-taeas Han Jae Hyun
Lee Bo-youngas Yoon Ji Soo
Jinyoungas Young Han Jae Hyun
Park Si-yeonas Jang Seo Kyung
Jeon So-neeas Young Yoon Ji Soo
Kim Yeong-hunas Lee Se Hoon
Lee Tae-sungas Joo Young Woo
Park Han-solas Young Yang Hye-jung
Oh Chae-eunas [Nurse]
Kim Young-ahas Choi Sun Hee [Yoon Ji Soo's co-worker]