George, Annie and Tom return to the B&B, things aren't well however, with Mitchell willingly taken from this world. The werewolf baby the guys must now look after attracts the attention of some vampire overlords called The Old Ones.
Annie and Tom are surprised when another supernatural trio turns up on their doorstep. Old werewolf Leo is dying, and his vampire friend Hal believes the secret to saving his life can be found at Honolulu Heights. Annie is confident she can channel the power to help them, but Tom remains sceptical about whether she should, particularly when the bloodsucking stranger appears to take an interest in baby Eve.
Hal is horrified when his housemates inform him he will have to get a job to function properly in the modern world, and is even more appalled when he realises he may have to work at the cafe with Tom. Desperate for an alternative, he turns to Fergus, who offers to let him go back to the vampire community. Meanwhile, Regus convinces Annie that the blood-suckers pose a serious threat to baby Eve.
Honnolulu is paid visit by a charismatic ghost from the 70s called Kirby. The group become quite taken with him, except for Hal, who is suspicious of Kirby, who in turn takes an instant disliking to Hal.
Adam is madly in love with no-nonsense head teacher Yvonne, much to the dismay of our heroes. They’re on the run from the press, who see the relationship as a scandal. Since vampires can’t be pictured on camera, the housemates are concerned about Adam getting photographed. They force him to confess his – and their – true nature to Yvonne. It’s a lot to take in, but there are bigger surprises in store when Yvonne discovers the reason that she’s able to see Annie, as well as what this means for her love affair with Adam.
Romance is in the air for Tom when Allison, a geeky teen werewolf, turns up looking for help. Somebody seems intent on revealing werewolves to the world and she wants to get to the bottom of the matter. In a bid to impress Allison, Tom leads her to the web savvy vampire, Cutler. Cutler is delighted to see more werewolves on the scene and soon finds use for his new friends. Tom also cajoles Hal into a double date with himself, Allison and attractive café patron, Alex. Hal insists that he’s stayed away from women for the past fifty years for a reason – but will his desire really spark his bloodlust once again? Meanwhile Annie feels responsible for grouchy neighbour Emrys’ death and it’s up to her to complete his ghost’s unfinished business on earth – as soon as she can find out what it could be.
Tensions run high when Cutler takes Tom under his wing. He’s got big plans for Tom – together they’re going to be history makers. Hal’s wicked past catches up with him and he finds himself led down a path of temptation. Having succumbed to drinking blood, Hal’s second date with Alex doesn’t exactly go to plan. Meanwhile, Annie is called to Purgatory by the mysterious woman from the future. She’s got big news for Annie – there’s only one way to save the earth from imminent destruction by the vampires. But will Annie even contemplate the task that she’s given?
The Old Ones have arrived and are intent on taking over the world by force. Cutler has other plans, but when they go awry he plots revenge on his own kind. Annie is upset as she realises she has been tasked with making the most difficult decision in order to save the world. Tom and Hal have their own plan to destroy the vampires, but when vampire leader Mr. Snow visits Hal, he demonstrates the power he holds over our hero.