For centuries, a secret peace treaty has existed between Earth and The Black World, a parallel dimension populated by shape-changers possessing awesome supernatural powers. But now, that pact is up for renewal and a militant faction from the Black World plans to do everything in their power to stop the treaty from being signed. The fate of the world now rests in the ability of a pair of special agents, one a human, the other a shape-changer from the distaff dimension, to make sure things go according to plan.