Righteous district attorney Joseph Foster's main goal in life is to rid his city of the gangsters infesting it       In order to be even more efficient in his war against crime he plans to run for governor       One day he meets a strange, shadowy man, Nick Beal, who offers to help him to achieve his end       Beal convinces hesitating Foster by dint of easy money, easy sex with an alluring young woman and the promise of easy success       Joseph Foster soon becomes an influential politician but a corrupt one       A minister of God manages to show him that he has been the plaything of the so-called Nick Beal, who might be Old Nick , that is to say Satan himself       Foster then decides to resign and to become an honest man again