Seven-year-old Moritz lives with his father Ben Sanddorn in Saxon Switzerland. Since the death of his mother many years ago, he has wanted nothing more than a new mother and, of course, a new wife for his father. And so he sends his pigeon Sammy on a search. Sammy flies to Salzburg, where the Sanddorn family used to live, and ends up with architect Paula. She is about to get married, but first she wants to take a break and bring the pigeon back. Paula spends a few days at Ben's guesthouse and makes friends with Moritz. She is fascinated by the introverted, likeable Ben and her emerging feelings are reciprocated by him. A loving romance develops, which Moritz pursues with enthusiasm. But then the budding love almost falls victim to an intrigue.

Silvia, a successful architect and single mother of nine-year-old Marc, is about to marry her colleague Rolf. Just now, after years of silence, Marc's father Ricardo, a rich South American entrepreneur's son, shows up.

Tobias, aged 13, lives in an East German city and has learned to get by on his own. Then Max moves into the neighboring apartment, and he keeps it just like Tobias. He likes to determine how things should go by himself. Without further ado, Tobias decides to pass Max off as his father!