Mirko, bored with his extravagant life, decides to spend his vacation alone, far from the company of his Prague friends. He even makes a bet with a friend that he will go a month without any funds, luxuries, a car and...without a kiss.

During the New Year's Eve celebration of the arrival of the twentieth century, three friends meet in a nightclub. Notary Jiří Voborský, clerk Emanuel Střela and Lieutenant Miloslav Jičínský.