Isobel has always wanted to, but never been back to Earth, the Archangels never let her leave heaven, until the day her family needed her, she convinced them to let her down. They - reluctantly - did, but now she's having a little trouble getting her true vessel to believe that angel's really do exist. She then gets to protect her bloodline, which holds the Veil, a mystical substance that separates Heaven from Earth from Hell from Purgatory. Just imagine what someone like Lucifer could do with that. More then just the Apocalypse hangs in the balance. While Sam and Dean try to rid the Earth of Lucifer, Isobel struggles to protect the Veil. More then one battle has begun to save the very universe, earth and heaven. Winning just one battle, Lucifer controls everything. Who will win?