A man walks down a long tunnel, past a seemingly endless array of motionless men in grey overalls. He is trying to discern what lies behind their facial expressions. The fate of his world will depend on what he sees. A man, lost in a deserted work of art the size of a city, discovers the artist's grisly secret. A couple stranded in the Antarctic reveal why they can never come home. A time traveller discovers the terrible damage he's done, simply by pressing the start button on his machine. A robot minstrel knows what killed all the colonists on Alpha Mensae 4, but he won't say. Just five of...