Cat Mix lives in an apartment without sorrows and worries, without knowing hunger and cold. Often he looks out the window and wonders: “What kind of world is there? I've never been there! Everyone is running around, fussing, are they really catching mice?” One day, dreams of freedom and independence will lead Mix to a real street, where he will learn a little more about a new and unusual world and even help people. Of course, there won't be any pranks! In the meantime, the cat is hiding from those who are trying to cuddle it, and is waiting for the right moment to sneak away unnoticed...