Katarina is a music teacher obsessed with an unfinished symphony. She worries about her brother, Ondrej an introverted inventor whose financiers are reputedly shady and dangerous. Then one day, her ex-husband Pietro shows up in her house and locks her in a cage.
A woman, who is dying of a brain disorder, begins a surreal journey which descends into violence.
Two clans of deranged males make the mistake of stalking four young women they assume to be easy prey, only to find out that at the stroke of midnight the tables will be turned and all hell will break loose.