The Wrong Daughter

16 years ago, Kaitlyn and Olivia were sisters. They were ten and thirteen. They were happy and excited: their parents went to a dinner party, considering them old enough to be left unsupervised. But there is something the girls do... not notice. A dark figure in a Venetian mask watching them through the window. When their parents return, they will find Olivia's bed empty. Their oldest daughter is gone. The police have no doubt: the girl is already dead. Yet, sixteen years later, Olivia returns. Loved ones are happy. Everyone except Kaitlyn. She is sure the woman calling herself Olivia is an impostor. However, her desperate attempts to prove this only convince those around her: Kaitlyn is a liar or out of her mind. Then the girl begins her game. She intends to expose her "sister"...