Özkan Özen

Ata and Damla, two university seniors on their final exam day, have to make it from one side of Istanbul to the other in time to deliver their final exam papers. Little do they realize that this final task is also their last task as two university students in their 20's.

Bengi, a young journalist, receives anonymous videos showing victims answering a knocking door. Each ends when they look through the peephole. Investigating, Bengi discovers hidden messages in the videos. When her door knocks the same way, she films the peephole.