A divorced engineer is preparing "accidental" meeting between his eleven years daughter and his fiancé.

Sherlock Holmes likes to play violin and expects a great career in music. He gets a place in a spa orchestra, but he is again and again distracted by criminal cases. Therefore he is the only one who does not see that his violin has no future. He solves the criminal mysteries in passing but the final test shows that the famous detective is tone-deaf.

A group of soldiers is supposed to ensure the smooth nighttime passage of the military convoy through Prague, but things turn out differently. Eloquent young men convince the good-natured commander to sign a leave of absence, and the main character is left alone in the middle of a housing estate...

An unemployed young man in the second half of the 1930s, he tries various ways of making a living and, under the influence of a group of communist youth, eventually goes to Spain as an inter-brigadista...

In 1955, a detained agent feigns loss of memory, speech and hearing. According to his written statements, his name is Karel Neumann and he was born in Radhost...

Young music composer Viktor Honzl in vain looks for work. He is prevented from committing suicide by a technician of the gasworks who shortly beforehand has disconnected his gas due to past due bills. In the disguise of an older, serious, musical scholar Viktor obtains work in a music publishing house.

Řina Weberová, the daughter of a retired colonel, is the owner of a not very prosperous photo studio. Her elderly boyfriend, banker Václav Novák, secretly supports her financially because he is in love with her. One day, Řina meets her childhood friend, Vincenc Špaček, who has entered military service in Prague. The enterprising Vincenc and his inseparable comrade Vendelín Křídl advertise Řina's studio in the military garrison, so that the soldiers flock to Řina to have her photograph them. One day, Lieutenant Novák also shows up and immediately falls in love with Řina. Řina's father finds out that banker Novák is visiting his daughter, and he wants him to marry her...

Sixth-year student Eva Martenová falls in love with the new young professor Jiří Hron. She cannot concentrate in his lessons, even though she is as well prepared as ever for teaching. On a school trip, Professor Bruncvíková tries to win Hron over, but the professor dances with Eva at a party. At school, Eva's thoughts are elsewhere again and she refuses to give Bruncvíková Hron's portrait. She goes to Hron's office crying and he tries to calm her down. His friendly gesture is seen by Professor Bernard, who had previously had reservations about Hron's modern teaching methods. He informs the principal that Hron was holding student Martenová in his arms. When Eva learns that Hron is facing disciplinary proceedings because of her, she attempts suicide. However, her friend Martina's brother, Dr. Pavel Haler, saves her. In the hospital, Eva is visited by a vindicated Hron and confesses his love for her.

The story of the love life of sisters Lea and Ema Pohl and the comical escapades of Kristýna Žitná, Ema's classmate.