While on holiday in Marrakesh, an ordinary English couple, Perry (Ewan McGregor) and Gail (Naomie Harris), befriend a flamboyant and charismatic Russian, Dima (Stellan Skarsgar), who unbeknownst to them is a kingpin money launderer for the Russian mafia. When Dima asks for their help to deliver classified information to the British Secret Services, Perry and Gail get caught in a dangerous world of international espionage and dirty politics. The couple is propelled on a perilous journey through Paris and Bern, a safe house in the French Alps, to the murky corners of the City of London and to an alliance with the British Government via a ruthless and determined MI6 agent (Damian Lewis).

This taut thriller twists and turns its way around the world with dramatic consequences.