They've been together since the Beginning of the world. Always the two of them. He as the embodiment of evil, she as the embodiment of good. They had their own goals - to push people towards either light or darkness. Except it turns out you can't be enemies when you've got six thousand years under your belt.

They meet in different eras in different places and grow closer and closer to each other. Until one day a drunken demon shows up on the doorstep of her angelic abode, an antiques shop in the heart of Paris.

"Hello, my sweet sweetie" stammered Crowley, smiling broadly.