Lars von Trier's debut film is really remarkable. Monochromatic sepia tone, always night, water everywhere, voice-over throughout - all these elements help in creating an eerie dystopian atmosphere where a serial killer has been killing young girls. The lead protagonist Fisher is narrating the events to his therapist by recollecting his memories under hypnosis, so we can't be sure whether the place was actually like that, or this is how Fisher perceives and remembers it, or maybe the hypnosis has taken him into his memories in a dreamlike fashion. It doesn't really matter which one it is; it essentially creates an intriguing environment to investigate the murder case.
How getting into the shoes and path of a serial killer can drive one mad is shown in an intriguing way, but I wish they had explored the motives and life of the killer a little more.
von Trier shows such talent and promise in his first film itself. The case, the storytelling style, the cinematography, everything really works for this film and makes it one of a kind. I was transported into this dreamlike dystopian place trying to solve the murder along with Fisher, and the credit for that goes to von Trier. There are few brilliantly shot and uniquely lit scenes which are really captivating and memorable.