When Piper and her friend Tash disappeared, there was a huge police search, but they were never found. Now Tash, reaching breaking point at the abuse their captor has inflicted on them, has escaped, promising to come back for Piper. Clinical psychologist Joe O'Loughlin and his stalwart companion, ex-cop Vincent Ruiz, force the police to re-open the case after Joe is called in to assess the possible killer of a couple in their own home and finds a connection to the missing girls.

Childhood sweethearts William and Mary have been married for 60 years. William is a celebrated surgeon, Mary a devoted wife. Both have a strong sense of right and wrong. This is what their son, Joe O'Loughlin, has always believed. But when Joe is summoned to the hospital with news that his father has been brutally attacked, his world is turned upside down. Who is the strange woman crying at William's bedside, covered in his blood - a friend, a mistress, a fantasist or a killer? 

When Sienna Hegarty turns up at his family home one night, covered in blood and frozen in shock, psychologist Joe O'Loughlin finds himself drawn deep into her world, trying to unearth the dark secrets her mind has buried. The police find a major piece of the puzzle at Sienna’s house: her father, a retired cop, is face-down in a pool of his own blood, his throat slashed and his skull caved in. The blood covering Sienna was his.

A naked woman is perched on the edge of Clifton Suspension Bridge weeping into a mobile phone. Clinical psychologist Joseph O'Loughlin is only feet away, desperately trying to talk her down. She whispers, 'you don't understand,' and jumps. Later, Joe has a visitor - the woman's teenage daughter, a runaway from boarding school. She refuses to believe that her mother would have jumped off the bridge - not only would she not commit suicide, she is terrified of heights.

I close my eyes and feel my heart begin racing. Someone is coming. They're going to find me. A mother and her teenage daughter are found brutally murdered in a remote farmhouse, one defiled by multiple stab wounds and the other left lying like Sleeping Beauty waiting for her Prince.

Evie Cormac was found at a murder scene six years ago, hiding in a secret room. She has never revealed her real name, why she was in that house, or what she saw. Forensic psychologist Cyrus Haven wants to help the traumatised teenager. He thinks unravelling Evie's secrets will free her from the past. But he has no idea what he's about to unleash....

Six years ago, Evie Cormac was discovered, filthy and half starved, hiding in a secret room in the aftermath of a shocking crime. Now approaching adulthood, Evie is damaged and self-destructive and has never revealed her true identity. Forensic psychologist Cyrus Haven, a man haunted by his own past, is investigating the death of champion figure skater Jodie Sheehan. When Cyrus is called upon to assess Evie, she threatens to disrupt the case and destroy his ordered life.

Everyone has an idea of what their perfect life is. For Agatha, it's Meghan Shaughnessy's. These two women from vastly different backgrounds have one thing in common - a dangerous secret that could destroy everything they hold dear. Both will risk everything to hide the truth, but their worlds are about to collide in a shocking act that cannot be undone.

Detective Inspector Vincent Ruiz is lucky to be alive. A bullet in the leg, another through the hand, he is discovered clinging to a buoy in the River Thames, losing blood and consciousness fast. It takes six days for him to come out of his coma, and when he does, his nightmare is only just beginning. Because Vincent has no recollection of what happened, and nobody believes him.

Joseph O'Loughlin appears to have the perfect life: a beautiful wife, a loving daughter, and a successful career as a clinical psychologist. But nothing can be taken for granted. Even the most flawless existence is only one loose thread away from unravelling. All it takes is a murdered girl, a troubled young patient - and the biggest lie of his life.