Very stupid movie. In terms of idiocy and straightforwardness, it looks more like social advertising than a work of art.
The story about deception in the messenger is shown very schematically, and what happens next is more like a comedy. The heroine "breaks" in two days (largely because the first day of imprisonment she made friends with a rat, which led to the death of the animal at the hands of a supostate). In general, the mechanism of psychological breakdown of girls is shown here extremely implausible.
The maniac is shown extremely flatly, the reasons for his behavior are revealed immediately in flashbacks, so no intrigue is obviously trying to create.
Only the behavior of the main character raises questions, at some point she simply commits murder, without any benefit to herself.
The ending is just as idiotic, and the “punishment” for a maniac seems to have come from a children’s movie from the 90s.
So bad, so good.