The outstanding comedian, "La India Maria," unknowingly ends up as a detective in Acapulco, pursued by smugglers of ancient artifacts.
The gorgeous Margot supports her aged father by seducing men on trains, slipping them a Mickey Finn (a beso de sueño) and robbing them. One night her victim is a currency smuggler taking 100 million pesetas out of Spain. He's being watched by a cop and by a burned-out alcoholic.
Transit must deal with his impulse to leave the country to go to the United States in search of the famous American dream.
