A ruthless serial killer is hunting for victims and a witness is caught in a life-threatening chase in deadly silence.

Kyung-mi is out late with her mother when she stumbles upon a young woman bleeding out in a dark alley. A ruthless serial killer, (Squid Games star, Wi Ha-Joon), is hunting for victims on the streets of South Korea. Now a witness, Kyung-mi, is caught in a life-threatening chase in deadly silence. Will she survive or become his prey?