After she survived the end of the world Charity Michaels decides that she needs a new career track. Leaving the world of secret black op missions behind she moves to Leeds to join a small group of undead beings. They protect the peaceful dead from the encroaching human world and as cover for this Charity takes on a job as a history teacher at the local school. Things seem to be going well until Leona and her apprentice Letha turn up bringing chaos and problems with them.