When his fellow clergyman dies under shady circumstances, a hot-tempered priest who's unable to turn a blind eye to injustice hunts for answers.
E1 · We're Back
Father Michael Kim Haeil returns, ready to take down a notorious and powerful drug cartel in Busan.
E2 · When in Busan
Haeil takes up teaching at a seminary in Busan, as drug lord Kim Hongsik arrives in the city.
E3 · Somewhere in Between Heaven and Hell
Haeil digs into the cartel, while Hongsik begins building his empire in Busan.
E4 · Within the Devil's Circle
Hae-il and Dae-young rescue Ja-young, while a suspect in interrogation suffers an accident amid the chaos, and the three decide to team up in their pursuit of the drug cartel; with his drug plant operational, Hong-sik begins expanding his reach.
E5 · Hard Measures for Insanity
Haeil and Hongsik sense the tension as strong rivals, while Kyungsun gains Duhun's favor.
E6 · The Devil is Not as Black as He is Painted
Haeil's pressure on Hongsik and the cartel grows, leading Hongsik to plot a fierce counterstrike.
E7 · A Priest's Duty Begins with Fury
When the Virgin Mary statue is set ablaze, Haeil is certain it is the work of the drug cartel.
E8 · A Worm Gets Crushed When Stepped on
Haeil discovers Hongsik's true identity, leading to an intense face-off between the two.
E9 · Stand Up Again
Haeil's fall signals a new resolve. His team unites, prepared to crush the forces of darkness.
E10 · Blessings Start Rough
Under flawless disguise, Haeil and Kyungsun infiltrate the ship, but Kyungsun faces danger.
E11 · Real Prayers are Made on the Move
Haeil and Kyungsun narrowly escape danger, while Duhun and Hongsik each plot their own survival
E12 · Episode 12
