When a nobleman loses his way in the fog and enters a house where there's a party going on, he's mistaken for a hired butler.

Two sailors (William Haines and Cliff Edwards) are leaving the US Navy after 10 years. In their spare time, one of them (Haines) invents a carburetor that should increase the speed that powered boats will run, but all they succeed in doing is sinking the Admiral's barge. After discharge, broke and out of work, they find work with a boat builder who wants the fastest race boat in the world. They design the boat, carburetor and the engine but lack of money and the foreclosure of the business hinders their efforts to prove the new design.

A society novelist brings a brash young chorus girl home in order to study her for inspiration for his new novel. His family is distraught, but soon her behavior has forever altered their snobbish ways.