Aninka and Pepíček are fatherless sister and brother with an ill mother. They decide to sing in the town marketplace to raise the needed money to help their mom. However, the evil organ grinder Brundibár chases them away. Luckily, with the help of a dog, a cat and a lark, and the children of the town, they are able to chase Brundibár away in turn, and sing in the market square.
Includes child, early teen, adult, mature adult characters