This series, set in a BBC newsroom in the 1950s, features renegade journalist Freddie, ambitious producer Bel and handsome anchor Hector as they create an investigative newsmagazine show called "The Hour." But tensions rise between the three when they become embroiled in a passionate love triangle. The show plays out against the backdrop of a mysterious murder and Freddie's controversial and dangerous investigation. The series explores the decade on the threshold of change, from the ruthless sexual politics of the time to the revelations that redefined the world for a new generation.