Alison and Mike discover their neighbour has been scheming behind their backs - his outlandish tactics threatening the success of their guesthouse business. For Alison, this warrants all out war and she sets about playing him at his own game. If she is going to stoop to such trickery however, she'll need the help of one of the ghosts. Mike attempts to mix things up for future guests at the gatehouse by secretly investing in some not-so-cheap entertainment that Alison will definitely not approve of. Meanwhile, the Captain makes a discovery, leading the other ghosts to find a surprising new friend