Lee is outraged that the twins have started sex education at school and resolves to teach them everything he knows about the facts of life before Miss Anstis corrupts them.

Alison, still recovering from her near-fatal accident, finds herself hounded by the ghostly gaggle, who now realise that she can both see and hear them.

With Mike assuring her that these ‘visions' are exactly the sort of side effect her doctors warned her about, Alison tries to ignore their existence - a tactic which only exacerbates the problem, as the long-dead army captain puts the ghosts onto a war footing.

Meanwhile Mike's attempts to turn the old house into a home leads to a DIY disaster, saddling Lady Button with an ill-suited roommate. And the ghosts are introduced to the internet, allowing Julian to learn about his questionable legacy.