In the zoo, a cute koala is very popular, it causes visitors a lot of delight and a desire to cuddle it. No matter how much people who come love him, life in a cage is very tiring, any animal's eyes will get a sad look, and suffering and an incredibly difficult experience about their own grief will be born inside them, that their life is so unhappy. Tired of the constant pressure of people, a group of ambitious animals decides to escape from the zoo and go for a free swim, because there they will definitely have a different life.

So begins the amazing adventure of a koala, a snake, a scorpion and a rare spider. They do not even imagine what a dangerous story they will have to plunge into, and it all starts with a funny descent down the sewers with a water flow that takes them far away from the place where they are tired of everything. Having escaped from the cage, they do not even suspect that their loss was discovered very quickly and now the main characters will be pursued by a zoo employee who has a very nasty and nasty character.