Bob the Tomato and Larry the Cucumber play jingle writers Cavis Appythart and Millward Phelps in 1880s London, where they're staging a musical called "The Princess and the Plumber" on Christmas Eve.
The Star of Christmas
In the 1880s, two jingle writers, Cavis Appythart and Millward Phelps, based on Gilbert and Sullivan, bring their musical "The Princess" to the stage in Victorian London.