Sadie, Niki, Poppy and Kate.

Four women who are on the surface sexy, confident and wealthy - but each of them is trapped in a loveless and sometimes violent marriage to four of the most feared London gangsters.

For years they have lived a life of idle luxury - shopping, lunching, and occasionally playing away - but all the time loyally staying behind the scenes while their men rule the East End criminal underworld with violence and terror.

But times change and events conspire and they decide to fight back and take their men on at their own game.

Because when it comes to getting the money, the female is definitely more deadly than the male...