Thirteen-year-old Becky is a whirlwind of anger and resentment. Still reeling from the loss of her mother, she clashes constantly with her father, Howie, who has recently begun dating the ambitious and cold Kayla. Forced to spend the weekend at Kayla’s remote lake house, tensions escalate as Becky refuses to be controlled by the new woman in her life. When Kayla unveils a sinister plan, Becky is thrust into a fight for survival. With nowhere to turn, she must unleash her inner rage to protect herself and escape the clutches of a deadly foe.