In this dark fairy tale, a Sultan is desperate for a child and makes a deal with the devil. The devil gives him medicine that makes his wife pregnant with three sons, but the devil demands to keep one of the children. The sons grow up strong and educated, but when their father asks them to divide themselves, the devil's son takes one and leaves. The remaining brothers discover the truth about their step-brother and devise a plan to kill him. Will they succeed or will they fall victim to the devil's son?
