A farmer receives land from the king and discovers a buried golden mortar. He decides to give it to the king out of gratitude, but his clever daughter warns him that the king will surely want him to bring a corresponding pestle as well. When the king throws the farmer into jail for fraud, he bemoans the fact that he did not listen to his daughter.

Nadine is obsessed by a memory linked to a haunting tune she can no longer sing, until she hears someone else singing and everything falls back into place again. A melancholic observation of two young couples having difficulties trusting one another. They are full of skepticism and searching for a purpose in life.

In his daydreams, 15-year old Otto is a real hero who masters dangerous situations by the dozen. But in reality, the rather imaginative ninth grader has trouble moving up to the next grade. Fortunately, his teacher Nickel notices that Otto does not lack intelligence, but the ability to use his imagination for the requirements of everyday school life. Together with school director Menschke, Nickel tries to change Otto’s attitude. Although this is easier said than done, Otto eventually realizes that he has to try to build his cloud-castles only after school has ended. And his teacher is going to support him in his attempts.

Susanne and Christian get to know each other during a wonderful week in summer - and fall in love. This, however, leads to conflicts: up to now, Susanne has been living with Wolfgang, a biologist. This shared life was harmonious and based on mutual trust. Wolfgang is not only resolute and in full command of social situations; he has also always been the stabilizing force in the relationship. This is precisely why Susanne now feels drawn to the unsettled, unsteady and frivolous Christian, the complete opposite of the calm, well-balanced Wolfgang. And Christian, working as a shift boss on a natural gas derrick, has become more aware of his personal and social responsibilities as a result of loving Susanne.

Following a training course, the 28-year-old Helga Baumann, a single mother of two children, meets up with her husband Fred again. They had separated a while ago because their ideas of marriage were completely disparate: The conservative Fred advocated the woman′s role of wife and mother, while Helga dreamt about an emancipated partnership between two employed persons. Now, her sister has brought them back together. At first sight, Fred seems to have changed and, once again, Helga cannot resist his advances. But when she meets with difficulties during a fair in Tashkent, Fred yet again proves to be a petty bourgeois by assuring her that they would get along perfectly without her working.

Hoffi is starting fresh after his release from prison. He travels with his brother to different construction sites in search of Urban, an acquaintance and role model he met during a brief hospital stay. Along the way, Hoffi meets Gila, who sees beyond his past in prison. Despite disapproval from her family, Gila decides to build a relationship and future with Hoffi, but Hoffi initially hesitates at this responsibility. It takes the encouragement of his workers’ brigade for Hoffi to realize his mistake and give his relationship with Gila a chance.