Detention Letter is a 2017 Arabic-language Action Crime motion picture. (Khaled Degwy) who are enrolled in one of the terrorist groups that the killings, believing they are fighting for the sake of God, and when his brother (Ahmad) tries to join this group (Khaled) refuses, he is trying to stop him, but he joins, and one day arise a dispute between (Ahmad) and one of the members of this community, (Ahmed) get killed, (Khalid) go mad who ks revenge against the group, the same moment the issue Answer the arrest of the police against (Khaled). Detention letter stars Dina El Sherbiny in the title role along with Eman El-assy, Walid Fawaz, Eyad Nassar, Sayed Ragab, Mohamad Ramadan and Sabry Fawwaz in supporting roles. It was released on 25th June 2017.