Goaded by the Black Spiral Dancers, the paranoid Prince of Chicago has declared a Blood Hunt against the Garou. As the war spreads and the Sabbat takes advantage of the chaos, will either side realize who the true enemy is before it is too late?

A crossover adventure for Werewolf: The Apocalypse and Vampire: The Masquerade, Under a Blood Red Moon is an epic storyline leading directly to the publication of Chicago by Night, 2nd Edition. It includes descriptions of the major caerns and septs of Garou around Chicago, as well as the first appearance of an abomination, a werewolf who has been Embraced.