13) is a classic 1952 Egyptian mystery/crime film directed by Kamal El Sheikh.

It starred Faten Hamama, Mahmoud El Meliguy, and Emad Hamdy and was chosen as one of the best 150 Egyptian film productions in 1996, during the Egyptian Cinema centennial.

A psychotic psychiatrist has killed a young man, `Abbas, and plans a conspiracy.

He convinces his friend and patient, Sharif, that he had killed `Abbas after hypnotizing him.

Sharif is believed to have killed `Abbas for the money, and is shockingly arrested during his wedding.