The film is set in 1913 Russia during the celebrations of the Tricentennial Anniversary of the Romanov Dynasty. Rich Russian merchants are celebrating their wealth by gambling and playing poker. They are traveling aboard the luxurious cruise liner "St. Nikolai" on Volga river, oblivious to the fact that several gangs of crooks and con-artists are stealing their money in the game. Their target is the wealthiest Russian tycoon Satanovsky.
Douglas is a foreign entrepreneur, who ventures to Russia in 1885 with dreams of selling a new, experimental steam-driven timber harvester in the wilds of Siberia. Jane is his assistant. On her travels, she meets two men who would change her life forever: a handsome young cadet Andrej Tolstoy with whom she shares a fondness for opera, and the powerful General Radlov who is entranced by her beauty and wants to marry her.
They are neither adults nor kids - somewhere in between, living in their separate boys and girls cozy dorms and doing whatever they love to do - inventors, artists, poets, mechanists, scientists and....just dreamers! These enthusiastic and creative folks enjoy their half-adult, half-childish lifestyles and entertain each other with the different tricks and practical jokes. The main hero stands out of the crowd - while the others try to live the normal life socializing as they can, he can never be rested, always coming up with the different unpredictable and unexpected moves, which always make viewers burst with laugh....