Sledgehammer (2021)

Brooke, who works on the side as a cam girl, receives a sensitive package in the mail. Upon arrival, it is clear that the package has been intentionally damaged, which has become a recurring event. A corrosive urge to retaliate takes hold in the young woman's mind. After filing a complaint, Brooke is contacted by the perpetrator, a mail man with an unsettling interest in her. She decides to take control and plays out her reprisal to its climax. What Brooke fails to anticipate is being left in a sobered and assailable state.