By sixth grade Miranda and her best friend, Sal, know how to navigate their New York City neighborhood. But things start to unravel. Sal gets punched by a kid on the street, the apartment key that Miranda s mom keeps hidden for emergencies is stolen. Then a mysterious note arrives. The notes keep coming, and Miranda realizes that whoever is leaving them knows things no one should. Each message brings her closer to believing that only she can prevent a tragic death. Until the final note makes her think she s too late.