A troubled young Glaswegian woman dreams of becoming a Nashville country star.
Fresh out from the jail after one year condemned by narcotics possession, Rose-Lynn Harlan is a 23-years old working-class girl from Glasgow, Scotland, who tries rectify her chaotic life: foul-mouthed, streetwise, rebel and free-spirited, Rose-Lynn meets again her little children, older Wynonna and younger Lyle, cared since her imprisonment by their grandmother Marion, who despises openly her daughter's lifestyle. Worker in the bakery of a shopping center along 20 years, Marion struggles to understand her stranded daughter, who becomes determined to travel Nashville, Tennesse (USA) to turn in a famous country singer. Due to the lack of resources and her low-rate academic studies, Rose-Lynn tries return to her former job as singer in the Grand Ole Opry, a country bar, being fired by the owners Jackie and Alan after to learn about her conviction. Thanks to Marion's good name, Rose-Lynn gets a job as cleaning lady in the house of Susannah, an upper-class woman married with James and mother of little Rory and Nell. Gifted with a powerful talent, charisma, cheek and voice, one day Rose-Lynn is discovered singing in her daily work by Susannah, who befriends Rose-Lynn and decides help her to travel Nashville making a fund-raising party specially for her. Therefore, troubles are around the corner: Wynonna and Lyle are time and time again neglected by a mother unable to reconcile with them that hide their existence to Susannah, James mistrusts Rose-Lynn by the way that Susannah is interested on her and Marion sends an ultimatum for her forcing to make a choice between her dream to be singer or her reality to be mother. Troubled, auto-destructive and bad influenced by her friend and occasional lover Elliot, a fan of the alcohol, night and party, Rose-Lynn finds trapped in a crossroad struggling against her worst enemy: herself.