Werewolf In A Women's Prison

Following an attack by a werewolf on Sarah and her boyfriend, she finds herself wrongly accused of his murder and incarcerated in a prison overseen by a sadistic warden. However, with the arrival of the next full moon, Sarah discovers she's been bestowed with superhuman strength and an insatiable thirst for blood - transforming into a ferocious werewolf, with only revenge and escape on her mind.