Jonathan Cake, Jemma Redgrave and Hugh Bonneville lead an outstanding cast in this mini-series tracing the turbulent political career and tempestuous private life of Oswald Mosley, leader of the British Union of Fascists during the 1930s. The mini series charts Mosley's rise to political notoriety through his personal life – from youthful rising star of the Conservative Party to potential leader of the Labour Party, and later abandonment of conventional party politics to become a figurehead of burgeoning fascism.

A restaurant is fire-bombed, a TV journalist and a member of a local mafia are murdered, and a valuable statuette is stolen. Yevgeni Grushko is Head of the Mafia Investigations Division of the local police force, facing new challenges as the internicine gang rivalries escalate towards war on the streets.