Bernadette is leaving Edinburgh fast, headed for London with her kids to stay with her brother-in-law Frank James. She is searching for her husband Spendlove who abandoned them; when she finds him, Frank offers him cash to take the brood back to Scotland. Spendlove's mind is quickly made up for him when Beradette pulls off a smash-and-grab at a jewelry store, forcing the group out of town tailed by an obsessed cop, Detective Julia Armstrong. While at a roadside diner on the way out of town, their car is stolen by another group of thieves forcing Bernadette to take control of her wise-cracking kids and her deadbeat husband.