A missing schoolgirl is found buried in the Dublin Mountains, hands clasped together in prayer, two red ribbons in her hair. Twenty-four hours later, a second schoolgirl is found in a shallow grave - her body identically arranged. The hunt for the killer is on. The police call in profiler Dr Kate Pearson to get inside the mind of the murderer before he strikes again. But the more Kate discovers about the killings, the more it all feels terrifyingly familiar. As the pressure to find the killer intensifies there's one vital connection to be made - Ellie Brady, a mother institutionalised fifteen years earlier for the murder of her daughter Amy. She stopped talking when everyone stopped listening. What connects the death of Amy Brady to the murdered schoolgirls. As Kate Pearson begins to unravel the truth, danger is closer than she knows.