once upon a time around thousand years ago there was a king named Shahriar, he had the most beautiful woman as his wife. but someday Shah Zaman, his minister, finds out about the betrayal of the king's wife. His wife and her lover are killed for adultery. Shahriar decides to take revenge; So for 3 years he marries a virgin every night and kills her in the morning. there was no way to stop this madness until the minister's daughter steps forward and decides to marry the king. to prevent the king from killing her in the morning shahrzad tells a story to the king every night, and leaves the rest of the story for the next night. She continued this work for 3 years and gave birth to three sons for the king.