The film is a story of the ways in which insurance investigator Roland Copping interferes in and manipulates the lives of others with outrageous games and gimmicks. Eventually he becomes involved in an escalating vendetta with a couple who make an unusual insurance claim.

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.