Ghost Alex adjusts to life after death with werewolf Tom and vampire Hal; meeting poisonous pensioner Captain Hatch, behind whose foul exterior lurks an ancient evil.
Hal and Tom clash in an Employee of the Month contest orchestrated by Hatch; the biased manager favours Hal while neglecting Tom; a child ghost emerges at the house.
Hal reluctantly works at the café with Tom but his encounter with the vampires introduces an alternative proposition; Annie's determination to safeguard the baby drives her to contemplate extreme measures.
The Old Ones have arrived and are intent on taking over the world by force; Cutler has other plans, but when they go awry, his revenge on his own kind is plotted.
Mitchell wants revenge after he learns the truth about Lucy and the vampire massacre; Nina presents George with the most difficult decision of his life; Annie considers passing on.
While Mitchell struggles with his growing lust for blood, Annie has a harder time dealing with her emotions than she thought when she comes face-to-face with someone from her past.