TV tonight: Sofie Gråbøl is back with another gripping European crime drama

The Killing star plays a prison officer in an award-winning new show. Plus, it’s quarter finals time in the Gladiators’ arena. Here’s what to watch this evening

The Killing’s Sofie Gråbøl leads BBC Four’s latest award-winning European drama to get stuck into. The Danish series follows the lives of four prison officers, including Gråbøl’s Miriam, as they deal with a jail plagued by bad press, power struggles and a drug trade. There’s also the small issue of the potential closure of the institution. So they band together on a risky investigation to save their jobs. Hollie Richardson