Good Boy

S01 E01 · 2025-05-31 · 90 min

Our Twisted Hero

After causing trouble, Dong-ju is demoted to the Insung Metropolitan Police Agency, where he's treated like dead weight and his fellow world-class medalists also face discrimination and scorn. But when a major case erupts, it reignites the fire in their hearts.

S01 E02 · 2025-06-01 · 68 min

Faster, Further, Stronger

At Man-sik's suggestion, a special criminal investigation team is formed with the former world-class medalists. Ready for a fresh start, each member joins with their own hopes and goals, but behind the creation of this special team lurks a hidden agenda.

S01 E03 · 2025-06-07 · 69 min

Million Dollar Baby

Convinced that Ju-yeong is the hit-and-run driver, Dong-ju scrambles to find evidence. Meanwhile, Jong-hyeon heads to the Prosecutors' Office at Man-sik's request to investigate Gyeong-il's case, and Ju-yeong meets someone in the shadows.

S01 E04 · 2025-06-08 · 70 min

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.

S01 E05 · 2025-06-14 · 71 min

Punch-Drunk Love

While investigating Ju-yeong, the Special Criminal Investigation Team is forced to hand him over to the prosecution after their sudden intervention. Dong-ju is hospitalized for tests following his car accident, and the team digs deeper into Ju-yeong's true identity and his connections to the prosecution.

S01 E06 · 2025-06-15 · 66 min

Counterpunch

Using Han-na's surprise kiss as an excuse, Dong-ju heads out alone with her on an investigation and discovers Ju-yeong's burner phone. Jong-hyeon finds himself growing uneasy as Dong-ju and Han-na get closer. Meanwhile, Drugmon, under surveillance in an apartment, begins plotting her escape.

S01 E07 · 2025-06-21 · 64 min

Par Terre Par Terre

Dong-ju's assault puts the Special Criminal Investigation Team in a major crisis. Man-sik fights to keep the team together, while the others continue investigating Ju-yeong, weighed down by uncertainty. Meanwhile, Ju-yeong leaves the hospital and heads to an unknown destination.

S01 E08 · 2025-06-22 · 65 min

The Aimless Bullet

The Special Criminal Investigation Team catches wind of Ju-yeong's drug smuggling and infiltrates the customs office disguised as a quarantine unit. Following a lead left by Drugmon, they manage to find the container hiding the drugs but walk straight into a trap set by Ju-yeong.

S01 E09 · 2025-06-28 · 64 min

Allez

Han-na is kidnapped, and Dong-ju and Jong-hyeon rush to rescue her, only to find themselves trapped in a deadly crisis. Just when it seems there's no way out, an unexpected gunshot rings out. With an unforeseen sacrifice shaking the team, will they survive?

S01 E10 · 2025-06-29 · 63 min

Time-out

The Special Criminal Investigation Team is disbanded in the end. Dong-ju quietly prepares revenge against Ju-yeong alone, but his reckless move only invites a greater crisis. Catching on to his plan, Ju-yeong launches a counterstrike.

S01 E11 · 2025-07-05 · 64 min

Countdown

The Special Criminal Investigation Team reunites and uncovers Joo-young's big secret. Frightened by Dong-joo's countdown challenge, Joo-young takes desperate measures. So who will win in the end?

S01 E12 · 2025-07-06 · 67 min

Foul

Falling into Ju-yeong's trap, Dong-ju suffers a critical injury and faces his greatest crisis yet. Will he push through or fall where he stands?

S01 E13 · 2025-07-12 · 62 min

Load, Start...Don't Stop

With no way to retreat, Dong-joo and the team launch their final all-out attack on Joo-young. Moving in without hesitation, they soon face a fierce counterattack and unexpected difficulties. What is written in their fate?

S01 E14 · 2025-07-13 · 70 min

Kings Never Die

S01 E15 · 2025-07-19 · 72 min

On the Ropes

The entire Inseong police force unites and launches a massive operation against Joo-young's gang. But just when they are close to victory, Joo-young's most devastating counterattack throws the entire city into chaos.

S01 E16 · 2025-07-20 · 71 min

We Are the Champions

Amidst the chaos, Dong-joo and Team Inseong begin their decisive battle to determine the fate of the city. Carrying the weight of everyone's hopes and expectations on their backs, will they be able to achieve the ultimate victory and emerge as true heroes?