It all starts when two men arrive at the asylum. Mr. Houdek, who goes to see little Honzik Slavata, the illegitimate child of his colleague, whom he wants to adopt, and young Standa Hurych, who takes up a position as a driver. The pretty nurse Magda mistakes Standa for his father and is angered by his reaction. However, when Mrs. Houdková insists that the adoption will not take place until the child's true father is known, Standa offers to help Magda track down the father. He immediately sets about the difficult task.

A story about the uproar caused by the arrival of a new, young and, by local standards, too energetic zookeeper in a village JZD. Her name is Maya Četná and one evening she arrives like a tornado on a motorbike in the semi-truck of a typical Czech village. The chairman, leaving the next day for a long-term training, has no time to get to know the girl properly, so it's no wonder he can't help wondering when she returns.

In a wooden hut used as a canvassing center, members of a children's puppet-theatre group are rehearsing for a production about a journey to the Moon. The goings-on inside the hut and outside are being closely followed by amateur detective Pepik Barnabás. He, however, is the first to be under suspicion when a trunk containing puppets goes missing. The children follow him but, when they catch up with him, they discover he hasn't got it. Pepík offers to help them in their search.