The Bat - Khofash - خفاش

Mahmood joins a criminal gang at the same time his sister Elahe, who's the doctor of a clinic in a village, comes to Tehran looking for him. A friend (Mehri) who's a psychology student, keeps Elahe's company. Elahe finds Mahmood but he can't prove he's innocent. He has stolen a purse at this point, which is going to be given to a drug dealer named Tamadon by Khofaash (The Bat), a foreign hireling.