If Mitchell is to rescue Annie from purgatory, then first he must face up to his haunting past. Meanwhile, George is arrested moments before the full moon.
Will our heroes be able to help teenage vampire Adam control his bloodlust before it's too late? Vampires Richard and Emma are not only set on making a man of him but have plans for Mitchell too.
Confronted with a 'type four', the housemates are forced to stare death in the face. Mitchell meets his biggest fan, who will do anything to impress his hero.
George and Nina search for other werewolves in their quest to find out if their unborn baby will survive the transformation. With the full moon approaching, Mitchell has cause to feel nervous.
While working at the hospital, George is horrified to discover that Herrick still exists after all, despite the fact that his wolfself disembowelled the vampire in question at the end of Series 1. However, Mitchell is distracted, still brooding about last series's train massacre and his guilt for that event, as well as hoping that Herrick can assist him in averting Lia's prophecy about his death at the hand of an unspecified werewolf. Herrick is ensconced in the attic, masquerading as Nina's "Uncle Billy," and to complicate matters, Wendy, a social worker, turns up to assess their compatability for Herrick's placement at the household
George is saddened to learn that his father, George Snr, has passed away, although he hasn't seen him for the last three years, since Tully turned him into a werewolf. After Nina tips off the police about the Box Tunnel 20 Massacre, a young policewoman, Nancy, arrives to interview Mitchell about his involvement, while Annie is angry that anyone would want to upset Mitchell and resolves to investigate for herself. Meanwhile, in the Honolulu Heights attic, Herrick is growing increasingly deranged...
As Nancy continues her investigation of the Box Tunnel 20 massacre, she becomes increasingly convinced that Mitchell is one of the responsible parties. Annie is equally determined to uncover whoever she believes the 'real' culprits are, but will she like what she discovers? Meanwhile, Tom and McNair show up. MacNair has been injured battling vampires, and with four werewolves now resident in Honolulu Heights and a looming full moon, Mitchell becomes understandably apprehensive about forthcoming events, given Lia's prophecy. But is Herrick concealing something?
Following Nancy's investigation into the Box Tunnel massacre, Mitchell finds himself trapped by the police. Desperate to escape, Mitchell discovers that help is at hand – albeit from an unlikely and untrustworthy source. Annie is heartbroken but stands by Mitchell and returns to purgatory in search of answers. She finds Lia but things are not as they seemed. This was never a game to Lia – this is revenge. A guilt-stricken Mitchell tries to make amends but, as the revelations pile up, and with Nina in a critical state, George must decide whether he can stand by his best friend.