A girl named Lilly (Bailee Madison) is given her very own life-sized "Really You" doll which is named Lilly D.; because she is good at manipulating her dad. Lilly remains a spoiled brat, bragging about Lilly D, even going as far as ripping the leg off a friends doll, after the friend informs Lilly that "Lilly D hates Lilly". Soon after, strange events begin to occur which Lilly's mother accuses Lilly of doing; despite how Lilly maintains she is innocent, and that Lilly D is alive.