The synopsis to this film listed on IMDB is 100% wrong. There is no Bob Hill in "Danger Ahead" and the plot is entirely different...and there is no armored car.
The story is very simple. A captain has come into money....$40,000 to be exact. However, a gang of idiots who cannot fight pursue him throughout the movie trying to take his money....and again and again, a smart reporter thwarts the mob....aided by his dopey sidekick (Fuzzy Knight).
The story is weak...even for a B-movie. Add to that impossibly inept crooks and you've got a movie that is, at best, a time-passer and nothing more.