Today, Brazil. Mariana, 21 years old, belongs to a world where she must do her utmost to keep up the appearance of a perfect woman. In order to resist temptation, she and her girlfriends try their best to control everything and everyone around them. And that includes the town sinners. At night, the girl squad put on masks, hunt, and beat up all women who have deviated from the right path. However, the day will come when the urge to scream will be stronger than it ever has been.