The movie "Stalker" (1979) by Andrei Tarkovsky, was loosely based on the short science fiction novel "Roadside Picnic" written by Arkady and Boris Strugatsky in 1971.The premise is that some aliens stopped by Earth. Just for a minute. Like, for a picnic. Aliens have left some things behind in "The Zone," a contaminated area from which the government is trying to protect its citizens. "Stalkers" go in and collect the artifacts, then resell them. No one quite knows the full functionality of the artifacts, and no one understands the full dangers of "The Zone". Besides, there is a legends about certain magic place, granting any hidden wish. But the world and people degrades very promptly. All turns round money and a profit. The principal hero is spent and disillusioned.
We follow him to that magic place, watch him face a grave moral choice, commit a great crime. He looks back on his broken life struggling to find meaning and hope, and suddenly, unexpected for itself, he cries out her desire:
"HAPPINESS FOR EVERYBODY, FREE, AND LET NO ONE GO AWAY UNSATISFIED!".