Jessie's father is murdered and Lena, her sister, is collateral damage (it is thought to be an accidental gas leak). Jessie and her mother Anna move near Kylie and her mother Tanya. Anna wants Kylie as a replacement.

Hoping to win a coveted "camp champ" college scholarship after her mother's death, high school senior Sophia signs up for a summer of cheer and competition, only to find that her spoiled new rival is as dangerous as she is spiteful.

A woman becomes suspicious when her adopted daughter's birth mother reenters her life and starts to display increasingly erratic behavior.