Three London gentlemen take vacation rowing down the Thames, encountering various mishaps and misadventures along the way.
Two people: Igor, an ex-athlete living aimlessly and chasing rubles to get drunk and Vera, a dowdy librarian, try to find their luck by planning to fall in love with each other based on "psychological conditioning".
A traveling musician falls in love with a princess who is betrothed to a dictator planning to defeat his enemies with the help of an exploding mutant mosquito.