After his father dies, aristocrat and soldier Eddie Horniman (Theo James) inherits his estate, but when he finds out that his father had been receiving £5 million a year to allow a weed empire to have a grow house on the family's property, he decides to try and shake things up by making a deal with Susie Glass (Kaya Scodelario), who runs the organisation for her incarcerated father, Bobby (Ray Winstone). What could possibly go wrong?