The border town called Sixes is quiet in the heat of the day. Still, Appaloosa Elim has heard the stories about what wakes at sunset: gunslingers and shapeshifters and ancient animal gods whose human faces never outlast the daylight.

And the daylight is running out. Elim's so-called 'partner' - that lily-white lordling Sil Halfwick – has disappeared inside the old adobe walls, hell-bent on making a name for himself among Sixes' notorious black-market traders. Elim, whose worldly station is written in the bastard browns and whites of his cow-spotted face, doesn't dare show up home without him.

If he ever wants to go home again, he'd better find his missing partner fast. But if he's caught out after dark, Elim risks succumbing to the old and sinister truth in his own flesh - and discovering just how far he'll go to survive the night.