It's love and family. That's the beginning of all the best stories. 
Cult director David Cronenberg is back with gritty gangland drama Eastern Promises. Naomi Watts plays a midwife in a London hospital, who becomes entangled with a Russian crime family after a young prostitute dies in childbrith. Matters are complicated when she falls for one of the mob, played by Viggo Mortensen. BBC Movies talked to David Cronenberg and co-star Vincent Cassel about what makes this story so compelling.
WATCH: David Cronenberg and Vincent Cassel talk about Eastern Promises.
