Karaoke Crazies (2016)

Plot

Sung-wook struggles to keep his karaoke bar, "Addiction Karaoke," afloat. To boost business, he enlists Ha-suck, a young woman with a passion for gaming who surprisingly attracts customers. The atmosphere shifts when Na-ju joins the team, bringing her infectious energy to the dreary establishment. Just as their fortunes begin to improve, an unforeseen threat looms—a serial killer is on the prowl in town, targeting something hidden within the karaoke venue. As tension rises, the trio must navigate both their personal challenges and the dark danger lurking nearby.