Her sanctuary was a fortress built against the past. But the enemy was already inside. NCIS Special Agent Grace Cole has built a fortress of safety around her new life, a shield against the horrors she thought she'd buried forever. But when a brutal home invasion leaves her for dead, that fortress is shattered, and the attack is just the beginning. Fighting to recover, Grace discovers the assault was orchestrated by the one ghost she can’t outrun: her monstrous ex-husband, Rhys. The hunt for answers pulls her into a spiraling conspiracy where every clue reveals a deeper betrayal, and a shocking new tragedy threatens to destroy her and her team. To find justice, Grace must confront the darkness she’s spent years escaping. But will the final, buried secret she uncovers be the one thing that costs her everything