Chloe, a rich only child, gains a stepsister, Amber, after her father remarries. Chloe keeps her distance until she walks in on Amber masturbating. Unable to stop fantasizing, Chloe's boundaries are pushed further when Amber enters her bathroom the next day. On her birthday, Amber takes her to a secret women-only club. Blindfolded and stripped on a table, Chloe removes the mask to see Amber reigning over the room. Overwhelmed, Chloe begins crawling toward her...
