““Stephen and Julia Dignam entered the police station the following morning. Both were in their early fifties but looked older, the sleepless nights and worry taking their toll. Julia linked her husband’s arm through her own and in her other hand she held a ringbinder close to her chest. Written on the spine in faded ink was one word: Megan. The Dignam’s daughter had vanished without a trace twenty years before and every new story of a missing child or unidentified body brought back a new flood of familiar emotions – fear, hope, the possibility of closure after so many years.””