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The film tells the story of how Suphi brings together the people around him in the imaginary world he has created. Suphi's girlfriend İffet dies in an accident. Feeling responsible for the accident, Suphi loses his sanity. He begins to construct a story in his mind. In the story, İffet is first killed. The autopsy reveals that İffet was killed using one of the methods that leave no trace. His brother-in-law, Professor İsmail Sami, directs suspicion toward Suphi. Suphi begins to uncover the truth behind the events with the help of Meryem, İsmail Sami's assistant. However, as Suphi himself begins to doubt the truth, the events take a complicated turn.
