 Officer Khorasani believes in law and order. After his transfer to Tehran, he intends to capture a thief named Jafar. Meanwhile, Khorasani s sister becomes acquainted with Jafar s brother. The young man s family visit Khorasani to ask for his sister s hand. Jafar tries to avoid a face to face encounter with the police officer in the preliminary meetings. But the unavoidable encounter occurs at the wedding ceremony , and officer Khorasani hands Jafar over to the police after the wedding.