The story tells about a small bird living in a landfill, where there is a lot of various garbage. Perhaps she would have had to die if she had not by a lucky chance fallen into a family of kind and sympathetic mice living in this dump for a long time. It is completely unclear in what way, the egg rolled into the very center of the dump where the mice lived. When they saw a white oval object on their doorstep, they were a little surprised, but then they decided to shelter a new tenant, warm him up and let him hatch in order to raise him as their own.

At first, Robin did not attach importance to the fact that his family was very different from him, it seemed to him that it was right, and when he grew up a little, he would become like his parents. As the years passed, the chick grew up and when it was already quite strong, he realized that he was not quite the native offspring of his parents. Robin wants to try to prove to them that he can be like them, and not necessarily that he is a bird. It seems to him that the only way to prove his belonging to them is to commit an insidious robbery.