The Doctor and Ace step out of their TARDIS into a 1940's English naval base, where Dr. Judson is using his ULTIMA machine to crack inscriptions written on a Viking crypt. The inscription turns out to be a trigger for the eponymous curse and the awakening of an ancient evil named Fenric. What follows is a Gambit Pileup between Fenric and the Doctor. Oh, and there's vampirism in the form of Haemovores and Character Development on the part of Ace. Watch it here