One morning, Finn and Frieda find a little hedgehog. The spiky ball has woken up from its winter sleep too early. Therefore, the siblings take their animal discovery to the veterinarian. "Our spiky little friend has the best chance if spring comes as soon as possible," says the doctor during the examination. But how and where is the best place to find spring? Finn and Frieda decide to go on a search. They head to the park with Grandpa Reinhold, who knows nature as well as children know the candy aisle in the supermarket. And indeed, the three spring seekers are successful: they discover the first crocuses, feel early buds on shrubs and trees, observe countless bees, and collect herbs for Grandpa's notorious seven-herb soup, which traditionally heralds the arrival of spring. With so many signs of spring...