Chul-soo is a man with an intellectual disability. One day, Chul-soo finds out that a young girl, Saet-byul, who is in hospital is his daughter. And soon, Saet-byul sneaks out of the hospital and travels by herself to a faraway city for her friend's birthday. As Chul-soo accompanies Saet-byul's journey, friendship develops between the two.
Directed ByLee Kae-byeok
Written ByLee Kae-byeok, Kim Hee-jin, Jang Yoon-mi
Cast of Cheer Up, Mr. Lee
Jung Won-joongFire marshal
Seo Dong OhGuest