Who killed the poor mole Adalgisa? Her friend the mouse transforms into Sherlock Mouse in order to find and punish the culprit. He interrogates possible suspects, inhabitants of the nearby zoo. The investigation unveils a cheerful parade of animals before the detective, with a very surprising and unexpected solution to the case. A comical opera-ballet that exquisitely takes inspiration from Saint-Saëns’ Carnival of the Animals. For children ages 4 and up.