Train

A hard-hitting detective who fearlessly dives into his work, Seo Do-won (Yoon Shi-yoon) is relentless when it comes to bringing criminals to justice. Willing to take on any case, no matter how hard, Do-won has made a name for himself as a man who gets the job done. But when the woman he loves becomes the latest victim of a serial killer, his world completely changes.[About:]Train is a South Korean television series starring Yoon Shi-yoon, Kyung Soo-jin and Shin So-yul. It aired on OCN from July 11 to August 17, 2020, every Saturday and Sunday at 22:30 (KST).[Source: Wikipedia]