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Three teenagers find themselves in the same school. A terrible tragedy has destroyed the lives of each of them.

Teddy's family was murdered on board their yacht during a trip around the world. Claire's parents were shot dead in a car. Will's family died in a plane crash. Each of these children is the only survivor of the whole family. But for how long?

When Jane Rizzoli sees the bloody dolls in a tree near the school where the children are hiding, her heart skips a beat. The predator tells her that the teenagers are his prey, and he won't back down. Together with forensic scientist Maura Isles, Detective Rizzoli takes the first step on the killer's trail...