A heatwave hits London and Adam can't sleep. He is 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 is 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 difficult goddaughter Enid. (thetvdb.com)