The Roundup - Watch Order: Release Order
The Roundup series follows the career of Detective Ma Seok-do (Don Lee), a relentless Seoul police officer who takes on the most dangerous criminal cases. Beginning with his work in the Guro district, the series expands to international investigations in Vietnam and the Philippines, while tackling everything from organized crime syndicates to online gambling operations.
Each film builds directly on the previous installment, showing Ma's evolution as he moves through different units and takes on increasingly complex cases. The series maintains strong continuity with recurring supporting characters and references to past investigations, creating a cohesive narrative of modern Korean crime fighting. Based on real-life cases, the films combine brutal action with Don Lee's signature blend of toughness and humor.
Linear Timeline: Release Order = Story Order

The Outlaws
In Chinatown, law and order is turned upside down when a trio of feral Chinese gangsters arrive, start terrorizing civilians, and usurping territory. The beleaguered local gangsters team up with the police, lead by the badass loose cannon Ma Seok-do, to bring them down. Based on a true story.

The Roundup
The 'Beast Cop' Ma Seok-do heads to a foreign country to extradite a suspect, but soon after his arrival, he discovers additional murder cases and hears about a vicious killer who has been committing crimes against tourists for several years.

The Roundup: No Way Out
Detective Ma Seok-do changes his affiliation from the Geumcheon Police Station to the Metropolitan Investigation Team, in order to eradicate Japanese gangsters who enter Korea to commit heinous crimes.

The Roundup: Punishment
'Monster Cop' Ma Seok-do investigates an illegal online gambling business led by a former STS Baek and an IT genius CEO Chang. Ma proposes an unexpected alliance to Jang and begins hunting down the criminals.
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