The Roundup (2022)

Ma Seok-do, a police officer, goes to a foreign country to extradite a suspect but stumbles upon additional murder cases. He soon discovers a terrifying killer named Kang Hae-sang who has been targeting tourists for years. With his team, Ma embarks on an intense investigation that spans two countries, following the trail left behind by Kang. No borders will stop them from catching the criminal.