Fifteen months ago, Detective Lindsay Boxer's life was perfect - she had a beautiful child and a doting husband, Joe, who helped her catch a ruthless criminal who'd detonated a bomb in downtown San Francisco, killing twelve people. But Joe isn't everything that Lindsay thought he was, and she's still reeling from his betrayal as a wave of mysterious, and possibly unnatural, heart attacks strikes seemingly unrelated victims across San Francisco. The new Women's Murder Club thriller.