Paul is delighted when his goddaughter Amy turns up.She has just finished boarding school and they had lost touch. He fails to notice she's a disruptive influence and Ewan is happy to cover for her. Their closeness upsets Zoe, who dumps Ewan after he misses a date because he's with Amy.Meanwhile, the poacher Tam Cooper returns to Glenbogle and is blaming the MacDonalds for his stint in jail and is out for revenge. He owns the land on which the fishing hut stands and demands an unreasonably high price for it, whilst disrupting lucrative fishing parties.Later, Amy's headmaster arrives explaining that Amy is a runaway and is only sixteen. Paul sends her away but, after learning how unhappy she is at school, lets her stay.

Does Glenbogle have its own loch monster? Ewan discovers he has a real flair for business, while Paul's worries are overshadowed by his feelings for Iona.