Joseph Graybill, learning that his friends have been making a lot of money in the stock market, takes a flyer himself. However, when a drop in the shares he has bought wipes him out, he breaks into his employer's safe for money to pay for a margin call. Will the thought of his grey-haired mother and the importunities of his co-worker Mabel Normand stop him or will he descend to a life of crime?