Eager to do their part in stemming the vampire invasion of San Francisco, the X-Men’s Science Team works to find a cure for vampirism. Bringing a vampire into their lab for examination, the scientists find themselves in over their heads when the monster escapes. With the lab on lockdown and a vampire on the loose, the X-Club is sure of only one thing: it’s going to take more than a doctoral degree in biochemistry to survive this night!
— Description from Comic Vine community (comicvine.gamespot.com).
