Joe Coughlin is nineteen when he meets Emma Gould. A smalltime thief in 1920s Boston, he is told to cuff her while his accomplices raid the casino she works for. But Joe falls in love with Emma - and his life changes for ever. That meeting is the beginning of Joe's journey to becoming one of the nation's most feared and respected gangsters. It is a journey beset by violence, double-crossing, drama and pain. And it is a journey into the soul of prohibition-era America...