An angel and a devil cross each other's paths.unbeknownst to the angel the devil plans to capture her and take her to hell to torture her and present her to Lucifer...along this journey they become closer than ever and he finds himself (the king of the devils) falling for cassiel (castiels sister)an angel.and when he falls,he falls hard. On this love journey it shows two unlikely friends growing closer and closer to the point where he protects her..with a cost of something far worse than anyone could imagine......