Bill Small is an less-than-ambitious trumpet player boarding in the house owned by his sweetheart Betty (Penny Singleton), her sister Jane (Lola Lane), and Jane's husband Ed. Bill mostly just wants to play that crazy swing music on his trumpet but he also has a hobby of playing the stock market (on paper). Over the years he has made millions with his pretend investments. Ed and Jim (his rival for Betty's affections) try to implement Bill's investment scheme with money they embezzle from the bank where they both work, with disastrous results. I was a little disconcerted at the cavalier way the embezzling was portrayed, but SPOILER ALERT they all end up in jail. I'm not sure who the chump is. Lola Lane did not shine in this role.