An international smuggler dressed as an Arab sheikh hires three unemployed young men named Masoud, Nader and Amir and takes them to Japan to bring the diamonds stolen from a temple to Iran.
Aladdin's three sons have been troubling the people of the city with their mischief and trouble, until one of the sons falls in love with the ruler's daughter.
Parvaneh meets a wealthy young man named Khosrow, who spends his time in unemployment and spending the night. Mohammad, Khosrow's driver, who comes from a poor family, is interested in Parvaneh; But Parvaneh ignores him ...