A therapy-situated series that will explore every day problems of every day people. Based on a book by Dr. Gülseren Buğdayıcıoğlu.

Cennet, who has been abused by her husband for years, calls Zeynep, the lawyer whose sign she sees from the window of her hospital room. He gives a letter to be opened after he dies. Zeynep's testament is this letter; It's actually a criminal complaint. After that day, the lives of Cennet's husband Yilmaz, and her children Birsen, Halil and Feride will change irreversibly.

Gece Gündüz was a police procedural soap produced by the Altıoklar Productions, the main characters are Aslan Aydemir and Kemal. They both work at the Istanbul Organized Crime section of the police force. The series finished on its 33rd episode. The theme song is an edited version of "Gündüz Gece" by Âşık Veysel Şatıroğlu who is also named "Uzun Ince bir Yoldayım" which was a famous Turkish folk music and Veysel was the famous one for this song.