Esme has discovered that young Frankie Bryce has an unexpected musical talent and the villagers are pinning their hopes and staking their bets on Frankies angelic voice winning them the Willie McGraw Trophy for treble singing, the hard-fought annual contest between Lochdubh's Stag Bar and the Dunbracken Arms. But trouble arrives in Lochdubh in tile shape of Tusker Gray, Frankie's best friend from Glasgow. Tusker's disruptive behaviour threatens to sabotage the contest and undermine Frankie's will to win. Will Hamish discover Tusker's secret before its too late?