A distant relative from the USA stakes a claim to Glenbogle and Archie invokes the chieftains challenge to determine who is the rightful laird.

The arrival of a pregnant Lizzie provokes Hector into disowning his errant daughter. Archie races against time to reconcile the warring clan.

Archie finds himself caught in the mother of all cat-fights when Lexie's estranged mother wants to hold her wedding at Glenbogle.

Molly's gambling addiction threatens to bankrupt the MacDonald family when she falls foul of a hard-bitten Glasgow gangster.

Archie wants to forget about his 30th birthday but Mollie and Hector both organise secret celebrations. Hector resolves to marry Archie off.

Hector must dig deep to save Archie's bacon after a vital grant application is rejected. Hector is forced to confront old flame, Edith Rankin, the fearsome council leader, whose feelings of rejection are still burning.

Archie and his father, Hector, go head-to-head as they battle for possession of a rare and valuable barrel of whisky.

Archie must gamble all to resurrect his inheritance but his plans are thrown off course when the estate's bankers arrive.