Once upon a time there were two girlfriends: one was an excellent student and a head girl, the other... well, let’s say, not an excellent student. But she is also a very good girl. And so they managed to fall into the hands of aliens. And even fly into space on a ship that is half dog, half rocket. And then it turned out that these aliens were threatening the earth. True, among the aliens there are also decent guys. Well, their adventures began...