Transylvania lies in ruins, the people devastated by a mysterious curse. Count Dracula is forced to flee his homeland in search of new blood to join his fight against the shambling hordes of the walking deceased. Unfortunately the curse follows him to London and quickly begins to spread, turning London into a city of the undead.

A cast of London’s most famous 19th century characters are brought together in a desperate bid to escape the city, not all of them human.