Unhappy women are being murdered by Emile, a psychotic young man suffering from the delusion that his acts are mercy killings. The detective assigned to track down the killer resorts to seriously unorthodox and even unethical methods to get his man.
A young female serial killer finds herself at odds with her true-crime obsessed boyfriend, who wants to be her next victim. On the evening he unexpectedly shows up at her apartment to work things out, chaos ensues because unbeknownst to him: they aren't alone.
On the day of his scheduled execution, a convicted serial killer gets a psychiatric evaluation during which he claims he is a demon, and further claims that before their time is over, the psychiatrist will commit three murders of his own.
A journalist descends into the dark underbelly of the Iranian holy city of Mashhad as she investigates the serial killings of sex workers by the so called "Spider Killer", who believes he is cleansing the streets of sinners.