The S/S Vellamo heads to Alexandria with Kaarina, the daughter of the ship's owner Hallerman, on board. As Kaarina trades places with the family's housekeeper Marja, first mate Yrjö takes a liking to Marja whom he believes to be miss Hallerman. Meanwhile Kaarina, pretending to be a member of the cleaning staff, starts getting close with lower ranking officer Kalle Aaltonen.
A romantic comedy about a writer coming back to Finland is bored with the High Society life and starts a modeling job for a young and beautiful painter Ilona. Dressed as a vagabond, he soon starts to please Ilona and her many lady friends as shows quick learning skills and soon shows great knowledge of history, art, and literature.
