Hwang Jung-min is back as Detective Seo Do-cheol in “I, the Executioner.”
“Veteran,” hailed for redefining Korean detective action in 2015, returns this year with “I, the Executioner.” The sequel follows veteran detective Seo Do-cheol (played once again by Hwang Jung-min) and his unwavering team, now joined by rookie officer Park Sun-woo (played by Jung Hae-in), as they pursue a serial killer whose actions have plunged the nation into turmoil.