Heart of a Thief. Gail Barrett

She'd loved him–and he'd betrayed her Or so Sofia Mikhelson believed.So why was security specialist Luke Moreno back, entrusted with protecting a priceless necklace–and glowering at her as if she'd betrayed him? Then shots rang out–and suddenly Sofia and Luke had to rely on each other.With bodies around them, the necklace missing and all suspicion pointed their way, Sofia had to face facts. Five years ago, she hadn't believed in Luke's innocence. Now he was the only one she could trust. What had she done?