So. Were you glad, deep down? Were you glad to be rid of her? Your perfect sister? Were you secretly glad when she was killed?
Following a horrific tragedy that leaves her once-perfect family devastated, Katherine Patterson moves to a new city, starts at a new school, and begins a new life of quiet anonymity.
But when Katherine meets the gregarious and beautiful Alice Parrie her plan to live a solitary life becomes difficult. Katherine is unable to resist the flattering attention that Alice pays her and is so charmed by her contagious enthusiasm that the two girls soon become firm friends.
But being friends with Alice is complicated - and as Katherine gets to know her better she discovers that although Alice can be charming, she can also be selfish. Sometimes, even, Alice is cruel.