Doting mother Dee Dee Blanchard and her sweet daughter Gypsy arrive in a new neighborhood, where Gypsy feels lonely due to a barrage of medical issues and eager to make friends. But their new neighbors can be nosy, and Dee Dee and Gypsy have secrets to hide.

Dee Dee makes Gypsy dress up for a costume convention, where they each attract charming men who could dangerously complicate their insular relationship. Gypsy is starting to question the lies her mother tells her, especially about how old she really is.