Jarmila Šmídová

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.

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.

The factory owner Hložek is in a constant dispute with his son Jiří. Jiří wants to modernize the factory, but his father is afraid that the new machines will deprive the workers of their jobs. News of the factory modernization divides the employees into two hostile camps. To prevent unrest, Hložek offers his son money from his mother's inheritance in exchange for his departure. Jiří's biggest opponents include two older employees of the company - the correspondent Málek and the accountant Mazara...

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...

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.

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...