Ninotchka (1939)

In the heart of Paris, three Soviet agents find themselves entangled in a plot to sell confiscated jewelry, only to be thwarted by a charming and cunning aristocrat. This aristocrat, determined to retrieve the jewels for a fallen duchess, employs every trick to delay their mission. Enter a stern and unyielding Soviet envoy, sent to expedite the sale and bring the agents back in line.