A street-hardened prize fighter and her childhood friend, a thief addicted to adrenaline, find themselves embroiled on opposite sides of an ancient spiritual war. When the world begins to crumble, they discover that there are two sides to the battle: those who rebuke the darkness and those who choose to embrace it. Granted unparalleled power and surrounded by the supernatural, the two friends must decide for themselves what is right. Or do they even get a choice at all?