When Jack (Stephen Moyer) goes missing just before his wedding to Kirsty (Colette Brown), his best friend, police detective Michael Colefield (Jack Davenport), sets out to track him down and find out why he has disappeared. When he finally finds him, Jack tells him that he is in hiding because he is being hunted by an undercover government “death squad” who are out to kill him. But what kind of government organisation would be trying to murder him, and why? Colefield gradually learns the truth, that Jack has been turned into a vampire, and he is drawn into a secret world of modern day vampires and the shadowy government organisation trying to defeat them. Eventually he is slightly reluctantly recruited into the team of vampire hunters, led by a priest, Pearse Harman (Philip Quast), and assisted by a haematologist Dr Angela March (Susannah Harker) and an ex-soldier, Vaughan Rice (Idris Elba). The team investigate a series of incidents that may or may not be related to vampires. In the