A young physics professor named Lester conducts a particle experiment. Suddenly, something goes wrong, lightning strikes, and in a moment Lester finds himself in a strange alien world. Now he must fight for his life, first with his bare hands, then with a gun he finds. But what gives him courage is that he is not alone. One of the aliens who escapes from the prison together with him helps him on his dangerous quest. Friendship can overcome all obstacles.