Hanagan (Robert Homans) is a police inspector close to tracking down the hidden identity of the gang boss who is running crime in the city. However, just before he reveals the identity of the boss, Hanagan is killed by a bomb. Hanagan's son Steve (Gordon Jones) joins the police so he can try and discover who killed his father.
However, his fledgling police career is put at risk by his dogged investigation, as well as his relationship with his girl Betty (Joyce Compton)...
A highly competent film, the story is maybe fairly simple but everyone performs well. There is some heart and soul in this film which helps elevate it to the next level.