As an army of vampires descends on San Francisco, the X-Men find themselves in dire straights. The good news is that they may have just discovered a means for stemming the invasion. The bad news? What they need is in the clutches of the vampires themselves. Luckily, the X-Men have two thieves in their employ that may just be able pull off such a heist. Hold on to your wooden stakes, X-Fans… Storm and Gambit are in for a bumpy ride!