Good Boy Season 1 Episode 4
Float Like a Butterfly
The Special Criminal Investigation Team is now complete with Han-na's return and Jong-hyeon joining. They launch a full-scale investigation into Gyeong-il's death and Min Ju-yeong. As they split into teams and close in on their targets, Han-na receives her father's case files.
Guest Stars
Kim Eung-soo
Jo Pan-yeol
Han Kyu-won
An Dae-yong
Ahn Se-ho
Baek Suk-choon
Park Jeong-woo
Gangster
Park Cheol-min
Kim Geum-nam