Five-part drama series based on the life of Charmian Biggs, the wife of criminal Ronnie Biggs who played a significant part in the Great Train Robbery of 1963. Charmian (Sheridan Smith) first encounters Ronnie (Daniel Mays) on a train and they soon fall in love. When she becomes pregnant the two marry but Ronnie's involvement in the robbery results in his imprisonment. He escapes from jail less than two years later and, wanting to keep her family together, Charmian goes to Paris with their children to meet up with Ronnie. They flee to Australia but are unable to evade the constant threat of capture...