本片改编自同名童话故事，不过在这个故事里灰姑娘选择了对继母一家进行可怕的复仇。

On Kate's 21st birthday camping trip, her friends encounter Piglet, a monstrous human-pig hybrid who brutally murders one of them. They uncover Piglet's origins and Kate must confront her past to survive the relentless killer.

Stuttgart, 1942: Nazis have cleared Jewish communities from towns and Villages. Two German-born Jewish children flee Nazis who have killed their family, escorted by Gisella, part of the Lebensborn, an SS Master Race program.