Ali Baba is a young boy who lives with his brother Kassim married to Gulbahar. One day Ali Baba, who is a woodcutter, discovers the secret of the forty thieves, entering a cave full of treasure. But as his brother Kassim comes to know about the gold in the cave, he becomes greedy and rushes to get all the treasure of the cave for himself. But alas, he is caught! Now the chief of the thieves decides to kill Ali Baba too, but his faithful slave girl Morgina foils their plan.