Aziz and his lover Zainat manage to deceive an orphan, disabled wealthy girl named Mona to seize her property, and they think of a plan in which they think that Zeinat is Aziz's sister, and he succeeds in marrying Mona and obtains an official general power of attorney to manage her property and then falls in love with her, and Zeinat lives with them in the same house and reveals to him that she is pregnant from it.