Greasy Bill, waiter at the Golden Gulch hash emporium, finds a wallet belonging to the Duke of Tattenham Covers. Forthwith is born the idea to impersonate the Duke. As a member of nobility, Greasy Bill cuts a wide swath at a fashionable summer resort. The bogus Duke meets Jean, daughter of Mrs. Newlyrich. The real Duke later visits the resort incog. He saves Jean from drowning and the two fall in love. They learn that Greasy Bill is planning to marry Jean's mother. To Bill's grief, they prevent the marriage and send him back to slinging hash.
—Moving Picture World synopsis