I hope you can forgive me…’Grace hasn't been the same since the death of her best friend Charlie. She is haunted by Charlie's last words, and in a bid for answers, opens an old memory box of Charlie's. It soon becomes clear there was a lot she didn't know about her best friend.

    So when the FBI discovers a multibillion-dollar black market online, she’s tasked with finding the creator and bringing him to justice. Donning one of her many digital disguises, Tanchik goes undercover into the network.Brilliant college student Nate Fallon started his site as an idealistic experiment. But his platform has made illegal trade not only more efficient—but also more dangerous. Now the FBI aren’t the only ones out to get him. As profits soar, a criminal organization casts its monstrous gaze on Fallon, and danger leaps from cyberspace into reality.Feeling pressure from both sides of the law, Fallon is forced to make a decision with shattering consequences. Can Agent Tanchik find Fallon before his dangerous infrastructure falls into the wrong hands?

    But even as an adult with an accomplished professional life, Grace still has a dark, secret side. When her two worlds shockingly converge, Grace’s harrowing past returns with a vengeance. Both Grace and her newest patient are stunned when they recognize each other from a recent encounter. Haunted by his bleak past, mild-mannered Andrew Toner is desperate for Grace’s renowned therapeutic expertise and more than willing to ignore their connection. And while Grace is tempted to explore his case, which seems to eerily echo her grim early years, she refuses—a decision she regrets when a homicide detective appears on her doorstep. An evil she thought she’d outrun has reared its head again, but Grace fears that a police inquiry will expose her double life. Launching her own personal investigation leads her to a murderously manipulative foe, one whose warped craving for power forces Grace back into the chaos and madness she’d long ago fled.