Through the Darkness (2022)

In Seoul, South Korea, in the 1990s, the nation is gripped with terror after a series of brutal murders strikes terror into the hearts of its citizens. A mysterious figure known as Red Hat has been stalking the streets, following women, terrorizing them, and then killing them in apparently motiveless attacks. The police are baffled – the killer seems to strike at random. They struggle to understand when this murderer will attack next and why the killings are taking place.