Agâh Beyoğlu is a 65-year-old retired court clerk whose spouse died some time ago. Agâh lives alone in an old Ottoman building bearing the name of his deceased spouse, Mebrure, in Beyoğlu. One day, his beloved cat Münir Bey dies, since Agâh forgets to feed him. After the incident, he goes to a doctor to figure out the reasons of his memory impairment and there he is diagnosed with alzheimer. Agâh can’t accept the fact that he has alzheimer and sinks into a depression. One day, when Agâh meets his friends at an invitation, he discerns some advantages of his disease and makes a decision which is a turning point.
Nevra Elmas is a young and idealist police-officer working in Istanbul Police Headquarters. She is the only female personnel in the Homicide Department but due to her gender, she experiences mobbing by her male co-workers, especially by misogynist Firuz. Her workmates believe that she does not deserve her position in the department and that her assignment is purely and simply due to benevolent sexism.
A serial-killer wearing cat costume shows up in Istanbul. There is a common ground between the victims, Nevra Elmas, and Agâh Beyoğlu: Kambura, a small and conservative district near to Istanbul.