Danger can slip through any locked door.American bestselling author Kate Scott has built a life of strict routines and careful isolation on the peaceful shores of Lake Como. Ever since a violent attack turned her home into a prison, the outside world has felt too dangerous to face. Her alarms, cameras, and reinforced doors are supposed to keep her safe.But when her husband, Brian Shaw, disappears-and the threatening messages begin-those walls no longer feel like protection. They feel like a trap.Desperate, Kate turns to the only person she trusts: Emma Castelli, the private investigator who once saved her life.Emma knows the price of fear all too well. After losing the man she loved in the line of duty, she walked away from Major Crimes, choosing safer, quieter work. But the case Kate brings her is anything but safe. Someone is watching. Someone is escalating. And someone is determined to break through every layer of security Kate has built around herself.As Emma digs deeper, the picture grows darker: unexplained movements, unsettling clues, and a pattern that suggests Kate's past, present, and future may be far more connected than she realizes. And the closer the two women come to understanding what really lies behind Brian's disappearance, the clearer it becomes-the danger isn't only outside the house.It may already be inside.Let Nothing Remain blends the emotional intensity of domestic suspense with the high-stakes tension of a psychological thriller. Perfect for fans of Mary Higgins Clark, Lisa Jewell, and character-driven mysteries where every clue tightens the noose, this novel follows two unforgettable women standing against fear.A story about vulnerability, resilience, and the moments when danger slips through the cracks and upends everything you thought was safe.