No one thought that the zoo of an ordinary seaside town could turn out to be a trap for all its inhabitants. Once upon a time, animals were brought from a distant planet, but suddenly they seemed to go berserk: space boas began to attack all living things, dragons spew out flames and set fire to houses, and whales instead of water let out fountains of stones! Peggy with her witch grandmother and friends - a sand boy Sebastian and the blue dog - they decided to find out what was happening. And who is it hiding behind the facades of burning buildings?