Tek Başına: The film tells the story of a man who witnesses a major drug ring. Kemal is a middle-class employee at a company. One night, Kemal's car breaks down on his way home, so he leaves it where it is. That night, a murder is committed by a major drug ring at the spot where he left his car. Kemal did not witness the murder. However, Commissioner Murat tells him that the network can be dismantled thanks to his testimony. Nevertheless, the network has already killed everyone who has testified against them. Kemal agrees to testify. However, the network has already taken action to silence him.