The rain was relentless. It stung Ruth Prendergast's face as she dashed towards her house, desperate to escape the cold and settle down for an early night. But upon entering her bedroom, she finds a man, lying on her bed - a knife buried in his chest.When Detective Isabel Blood and her sergeant arrive on the scene, Ruth claims she's never laid eyes on the victim before. But with no sign of a break-in, how did the killer gain access to the house?Then Ruth disappears, leaving Isabel and her team to fear the worst. Has their lead suspect escaped, or is Ruth in danger herself?