Mick Jagger lands a new U.K. hit as “Strange Game,” his Slow Horses theme song, debuts on the downloads chart amid work on The Rolling Stones’ next album. LAS VEGAS, NEVADA - NOVEMBER 06: Singer Mick ...

The moment you hear Mick Jagger sing the theme song, the tone is set for one of the best underdog stories on TV. Now five seasons deep, Slow Horses is one of the best spy thrillers on TV today.

Forbes contributors publish independent expert analyses and insights. I cover Hollywood and entertainment. The official summary for Slow Horses Season 5 reads, “Everyone is suspicious when resident ...