The movie follows the story of Meg and Susan, the orphaned sisters who are taken in by their Aunt Ruth after their parents die in a car accident. Ruth is a deeply disturbed woman who resents her nieces and subjects them to horrifying abuse, both physical and emotional.
As Ruth's behavior becomes more and more sadistic, the neighborhood children also become involved in the torture of the two girls, led by Ruth's eldest son, David. The children are manipulated and coerced into participating in the abuse, under threats from Ruth and David.
One day, the girls make friends with a boy named David Moran, who begins to suspect that something is seriously wrong in the house next door. As he tries to help Meg and Susan, he becomes a target of Ruth's wrath and must navigate a dangerous path to try to save the girls from their horrific fate.
The movie delves into themes of morality, innocence, and the depravity that can exist within seemingly normal suburban settings. It is a disturbing and chilling tale that will leave viewers shocked and haunted by its brutal depiction of human cruelty.