Kenan İmirzalıoğlu leads A.B.İ. as Doğan Hancıoğlu, a successful surgeon whose return to Istanbul reopens painful family secrets. Doğan is disciplined, observant and emotionally guarded, but his sense of responsibility keeps drawing him back toward the people he loves. As the story moves into its newer chapter, he must protect his family while challenging Saruhan’s growing power and understanding Leyla’s hidden motives. İmirzalıoğlu brings quiet intensity to the role, allowing Doğan’s strength, anger and vulnerability to appear through small choices as much as through confrontation. His performance anchors the drama’s family mystery, emotional tension and revenge storyline.