With an international chess tournament in progress, a young man becomes completely obsessed with the game. His fiancée has no interest in it, and becomes frustrated and depressed by his neglect of her, but wherever she goes she finds that she cannot escape chess. On the brink of giving up, she meets the world champion, Capablanca himself, with interesting results.

Three reporters and an office girl are trying to stop a bacteriological strike by some powerful western business leaders against the USSR.