In the Tiburtino III neighbourhood, in the outer suburbs of Rome, a small asteroid falls from the sky. In the following days, almost everyone in the suburb starts behaving inexplicably oddly: they all suck AA batteries. An improbable group of young characters finds out that many have been infected by some parasites and the aliens intend to conquer the whole world.
Veronica, after a long trial and two years in prison for the alleged murder of her mother and her lover, is found innocent. She is only twenty years old, but it is difficult to look ahead...