Sam, played by Jodie Whittaker (Time, One Night, Doctor Who, Broadchurch) has been content to live a life of quiet anonymity in the hills of Southern Spain, whilst her grifting partner, Bert, played by Suranne Jones (Maryland, Vigil, Gentleman Jack, Doctor Foster, Scott & Bailey) has spent the last decade in a Spanish prison cell with a burning desire to pull off one final job that will prove her worth.