Carlos Acosta (Carlos Gardel) watches fate work out a solution that allows him to return to his real love after trips to Paris and New York City.
In 1776, an inventor conceals a Polish nobleman in his chess-playing automaton, a machine whose fame leads it to the court of the Russian empress.
In view of the arrival of his strict uncle, Alberto asks his secretary and his girlfriend to participate in a deception and reverse roles. But the entanglements follow one after another and the young man ends up falling in love with his secretary.
