30 Days to Die

A group of girls trapped in a camp suffer at the hands of a serial killer, led by Sheriff who brutalizes one of them, Sheryl Gates. After being sent to the institution by court order due to her aggression, 17-year-old Madison escapes and fights back against the mobbing by her fellow inmates. With the help of Amelia Wellington, a Campleiter trying to protect the girls, Madison takes revenge on the killer by disguising herself as him and killing him back.