Things surely do go wrong in the home of the Newlyweds, where Sis is the first and only servant. First mother-in-law and father-in-law, who have never met, have a run-in at the railroad station that grows worse when they arrive home with Sis as escort. Then Sis has to mess one thing up after another until everybody is calling her down. Sis decides to end it all then and there in a tornado of excitement that ends with Sis' blunders patching everything up and bringing the dove of peace to the home of the Newlyweds.
—Moving Picture World synopsis