Adam's goddaughter comes to stay and things start to go bump in the night. Not in that way, you dooorty so 'n so. Some more details for you: a heatwave hits London and Adam can't sleep. He's not the only one plagued by nightmares - elderly parishioner Joan (Sylvia Syms) has just moved into a nursing home and is convinced her new room is haunted. Adam's called on to justify believing in the holy ghost but not spooks, and there are demands at home too - Alex and Adam have a pint-sized house guest in the form of Adam's goddaughter Enid, who proves to be most difficult.