Tasha and her sister Alice couldn't be more different, but they'd trust each other with their life.So when Tasha and husband Aaron want a break and Alice offers to stay in their home with the kids, Tasha knows they're in safe hands.But she couldn't be more wrong. She receives a call: Alice and her husband Kyle have been attacked.Rushing to Alice's bedside, Tasha finds the police trying to piece events together.Then the note arrives, addressed to Tasha:It was supposed to be you . . .