In most movies like this, these sort of psycho, sexual thrillers, the female character is there to be a damsel in distress, there to be naked or there to be killed in a really brutal way. This movie sets up, here's a guy who wants to kill a prostitute, so you think the movie is getting to deliver all those things, but it so doesn't. The beauty of Mia's character is that she doesn't let herself be any of those tropes, she doesn't let herself be a damsel in distress, get killed, be taken advantage of; she really is the one with all the power and... read the rest.
Under 17 requires accompanying parent or adult guardian 21 or older. The parent/guardian is required to stay with the child under 17 through the entire movie, even if the parent gives the child/teenager permission to see the film alone. These films may contain strong profanity, graphic sexuality, nudity, strong violence, horror, gore, and strong drug use. A movie rated R for profanity often has more severe or frequent language than the PG-13 rating would permit. An R-rated movie may have more blood, gore, drug use, nudity, or graphic sexuality than a PG-13 movie would admit.