Loading the player... 10. Gangs of London Sky's drama certainly got people talking! The series was seriously gory as it follows criminal organisations in London. The official synopsis reads: “For 20 years, Finn Wallace was the most powerful criminal in London. Billions of pounds flowed through his organisation each year. But now he’s dead – and nobody knows who ordered the hit. "With rivals everywhere, it’s up to the impulsive Sean Wallace, with the help of the Dumani family headed by Ed Dumani, to take his father’s place." Did you watch Gangs of London? 9. The Undoing Hugh Grant and Nicole Kidman starring as a wealthy couple caught in the centre of a thrilling whodunnit? What's not to love? The series follows Jonathan and Grace as Jonathan's lover is found murdered, and he is arrested for the crime. But did he really do it?