Agâh is a retired justice officer who lives a single and lonely life in Istanbul's busiest areas. His daughter lives abroad and his wife died years ago. His boring life turned upside down when he was diagnosed of early Alzheimer's disease. Although he was initially shaken by this fact, he took it as an opportunity to commit crimes he planned for years! He left traces on his first crime tide to a cop called Nevra, she's the only woman in charge of the anti-crime unit, before his crime she was about to resign because of the pressure on her being the only female cop in that unit.