Cissie Crouch, Tilda Swinton, is a waitress in an American-themed Glasgow bar and restaurant known as Bar L. Her husband, Dorwood Crouch, Kevin McMonagle, sits in prison for a robbery she believes he did not commit, a crime she is determined to see cleared. The place is depicted as a thinly disguised Bar-L, a detail that colors much of Cissie’s anxiety as she juggles longing for her family with the harsh reality of his imprisonment. The story begins to widen when she cross-paths with Frank McClusky, John Gordon-Sinclair, a journalist who agrees to help uncover the truth behind Dorwood’s alleged crime.
McClusky digs into Fraser Boyle, Ken Stott, a violent small-time criminal and drug dealer who once belonged to Dorwood’s band, Dorwood Crouch and The Deadwood Playboys. As clues accumulate, Boyle’s shadowy ties stretch to the Irish band Jim Bob O’May, Guy Mitchell and The Wild Bunch, hinting at a more elaborate drug-smuggling scheme. Boyle is also revealed as the father of Cissie’s child, who has been taken into care and placed with foster parents in Aberdeen, a detail that compounds Cissie’s personal stakes in the investigation.
To move the story forward, McClusky enlists transportation help from Billie McPhail, Katy Murphy, and Jolene Jowett, Eddi Reader, who perform together as the Country and Western duo The McPhail Sisters. They’re looking for a bigger break and see an opportunity when McClusky pretends to be a musician, persuading Cissie to join them as they aim to become the supporting act for The Wild Bunch. This plan pulls Cissie deeper into a musical underworld she didn’t anticipate, creating a delicate tension between her desire for a new life and her obligations to her child.
The Bar L’s owner-manager, David Cole, initially seems to be running a thriving, legitimate enterprise, but the truth is darker: he is entangled in large-scale international drug dealing. Cole’s murder follows a confrontation with a rival gang led by Ralph Henderson, who believes a package of cocaine—eighteen pounds—has been hidden at Bar-L. Henderson’s plan is to leverage The Wild Bunch to move the drugs, a scheme that entangles more people than anyone realizes and pulls the local world into a dangerous orbit.
Dorwood’s desperation crescendos when he climbs onto a prison roof to protest his innocence, only to fall. With Boyle’s questionable help, Dorwood survives the fall and escapes from hospital, their plan a desperate bid to smuggle him out of the country using The Wild Bunch as cover. The escape sets off a chain of confrontations that bring everyone toward a climactic confrontation at the Ponderosa, a roadhouse outside Glasgow, where the various plots and loyalties collide.
Tamara MacAskill, Helen Atkinson-Wood, a local radio reporter who has been tracking Dorwood’s escape and the Cole murder, appears at the venue for a routine interview with O’May and recognizes Henderson. Henderson, misreading her purpose, abducts Tamara while he goes to collect the drugs shipment, which has now been located by one of his associates. The tension intensifies as the danger expands beyond the bars and streets into the quiet rooms of Aberdeen.
In the chaos outside the performance, Dorwood waits in the car park while the others go into the bar to perform. Dorwood draws Boyle’s revolver and wounds one of Boyle’s associates, a brutal reminder of how fragile peace can be when lines are crossed. Cissie, Dorwood, and McClusky flee in Tamara MacAskill’s radio car and head to Aberdeen, where Cissie clings to the hope of finding her child, even as doubt gnaws at her resolve. Henderson, now in possession of the drugs and still holding Tamara, heads for Aberdeen to catch up with O’May at his next engagement, while The McPhail Sisters travel there too, hoping for another chance to perform with O’May.
McClusky’s professed love for Cissie complicates their partnership, and she remains non-committal, wary of being drawn into a romance that could distract from the search for her child and the truth about Dorwood’s case. The couple eventually locates the address where the child is living, but Cissie, overwhelmed by fear and longing, turns away without seeing him. The danger escalates as Henderson attempts to murder Tamara with a drug overdose, a plan that is thwarted only by a chain of quick, tense movements.
Dorwood, who has grappled with thoughts of suicide, finally confronts Henderson just as he is about to deliver the drugs to O’May, and he pulls Henderson away at gunpoint. The confrontation ends with Henderson’s death, leaving the audience to wonder about Dorwood’s fate and the fate of the drugs that sparked so much turmoil. In a last act of courage, McClusky and Cissie locate Tamara and manage to save her life, although the moral weight of the choices they made along the way lingers.
The film closes with a somber, unresolved note: McClusky walks away from Cissie, convinced that she has used him to reach her own ends, while the weight of the unanswered questions—Dorwood’s fate, the true whereabouts of the drugs, and the future of the child—hangs over the lives of everyone involved. The story remains a textured study of loyalty, love, and the blurry lines between truth and survival in a city where everyone wears a mask and every ally could become a suspect.