Hidden away in an isolated cabin on the edge of her farm, seven-year-old Aisling Connolly shivers as the cold night air whistles through her thin jacket. It’s been two days since the men came, since her mammy told her to run like she’d never run before, to not look back. She hasn’t seen her parents since. And she’s terrified. But when Aisling is finally found by the police, she knows instinctively she can trust Detective Tessa Burns.

Opening the door to her new home, Libby can’t believe she can afford such a beautiful place. As her new landlord follows her into the bright, open living room, watching her every more, she feels so lucky she spotted the ad online. Days later, Libby is woken by the sound of her neighbors arguing through the wall. As she listens to their angry words, she swears she hears her name mentioned. Why would they be talking about her? As the weeks pass, Libby can’t help but feel that someone is watching her.

When a woman's body is discovered in a cathedral and hours later a young man is found hanging from a tree outside his home, Detective Lottie Parker is called in to lead the investigation. Both bodies have the same distinctive tattoo clumsily inscribed on their legs. It's clear the pair are connected, but how? The trail leads Lottie to St Angela's, a former children's home, with a dark connection to her own family history. Suddenly the case just got personal.

When she was just 12 years old, Mackenzie Price came home to find her father bleeding to death on the kitchen floor. She will never forget that night, nor what her mother asked her to do.... Twenty years later, Detective "Mack" Price is back in Lakemore, despite vowing never to return. Determined to atone for the sins of the past, she is unstoppable in her quest for justice.

Esme is a start-up success who runs her own successful media company and heads up a series of investigative podcasts. She also has a beautiful home, where she lives with her sister, Michelle, and her son, Zachary. Sure, there’s an ex-husband hanging around - Owen likes to pop round a bit too often - but everything is civilised and amicable. She has life all tied up. But Esme knows that any successful podcaster is only as good as her last story, so she sets out on a new series of interviews to get to the truth behind Simone Fischer’s high-profile murder of her husband.