My neighbor kept insisting she saw my daughter at home during school hours—so I pretended to leave for work and hid under the bed. Minutes later, I heard several sets of footsteps moving through the hallway.

My name is Olivia Carter, and I always believed I understood everything about my thirteen-year-old daughter, Lily.
After my divorce two years ago, it was just the two of us living quietly in a small house in a peaceful Massachusetts suburb. Lily was responsible, intelligent, polite—never the kind of child who caused problems. Or at least, that’s what I believed.

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