When a new family moves into their cul-de-sac, teenager Kylie quickly makes friends with the family’s daughter, Jessie, whose mother Anna lets the girls stay up late, takes them on adventurous outings, gets them into rocking nightclubs and hosts high school parties at her house. But as the adventures grow more wild and dangerous, Kylie’s mother Tanya grows worried, and things soon spiral out of control as Anna tries to steal Kylie away from her family by any means necessary.