Shin Hyun (Cho Seung-woo) walks into the local police station toting the mutilated bodies of six missing women, confesses to the murders and accepts his fate. A psychopathic serial killer is caught and the case closed. Or is it?

One of the most influential horror films of all time, Mario Bava's A bay of blood (1971, aka Twitch of the death nerve) is the spurting artery from which all future slasher films would flow. When crippled Countess Federica is murdered at her isolated mansion, a gruesome battle ensues to secure the rights to her valuable property around the bay. Everyone, from illegitimate children to shady real estate agents, stakes a claim, only to be killed in increasingly bizarre ways, from simple shootings to impalement by fishing spear. The makeup effects are by Carlo Rambaldi, who would later earn Oscars for his work in Alien (1979) and E.T. (1982). Initially scorned upon its original release because of its graphic violence, A bay of blood eventually became a trendsetter, the model slasher film that Friday the 13th would emulate nearly a decade later.

A serial killer is burning away the flesh of his victims with acid, leaving only the bones behind. The police turn to Hyun-min, a former forensic sculptor adept in reconstructing faces by examining and interpreting skulls. With the victim's bones in his house, Hyun-min's daughter begins to experience disturbing visions. As he races against time to find the answers and save his daughter, the deadly truth behind these victims reveals a sinister conspiracy that threatens everyone involved.

Kristel's dad died in a brutal car accident following an argument the two had on her prom night. Racked with guilt, Kristel takes some high school friends to a museum, located in an old abandoned mine, in hopes of retrieving the manuscript her father was writing about eighteenth and nineteenth century serial killers. Her dad was particularly interested in Andries Martiens, a man sentenced to death for slaughtering several youths. Martiens died in a massive explosion centuries ago, but it's rumored his spirit still haunts the mine and is ravenously hungry for another Slaughter night.