Hot on the heels of Roundup 2, which screened at LEAFF last year, the third movie in the franchise comes our way. It will be showing at many Odeon Cinemas. Facebook is actually more helpful in telling you which screens will be showing it than the Odeon website.
The Roundup: No Way Out: UK theatrical release

The monster cop Ma Seok-do returns— This time, to the Metro Investigations!
Seven years after the roundup in Vietnam, Ma Seok-do (Don LEE) joins a new squad to investigate a murder case. Soon, he finds out this case involves busting a synthetic drug and starts to dig deeper… Meanwhile, the guy behind it all—Joo Sung-chul (LEE Jun-hyuk)—doesn’t stop looking for trouble, and the Japanese drug distributors, Ricky (Munetaka AOKI) and his gang, come to Korea to join the chaos. Things are just about to get out of hand… It’s time to wipe out the b*****ds again— If they want trouble, give ’em trouble!