Dublin: 1997. Three women occupy number 1 Orchard View, an assisted living facility for former patients of the nearby St Brendan’s Psychiatric Hospital. On the night of March 6th of that year, two of the women, Sylvia Sheils and Mary Callanan, were brutally murdered in their rooms. They were discovered the next morning by their housemate Ann Murnagh, and a hunt for the killer began. The Gardai soon heard that a young heroin addict who slept rough in the Grangegorman area may be responsible for the heinous crimes. Dean Lyons was questioned by the Gardai and promptly confessed to the killings. But was this man capable of the horrible crimes he had confessed to, or did the Gardai have the wrong man? There would be two further murders before the case was solved….