Irmak is a young woman in her thirties who has never experienced love. Her life takes a dramatic turn when she places a key under her pillow in the first house she ever stays in.

Doruk, the only child of a wealthy family, fulfills his dream by entering the police academy and graduating at the top of his class. He falls in love with Serap, whom he meets during an operation, and they get married. Shortly after their daughter Zeynep is born, Serap falls into a depression and leaves home. Doruk, a heroic special operations police officer, takes on both the role of mother and father to his daughter Zeynep while juggling his demanding duties. Just as a beautiful bond forms between father and daughter, Serap, who had left home, returns. A difficult period begins in the lives of father and daughter.

Doruk, the only child of a wealthy family, fulfills his dream by entering the police academy and graduating at the top of his class. He falls in love with Serap, whom he meets during an operation, and they get married. Shortly after their daughter Zeynep is born, Serap falls into a depression and leaves home. Doruk, a heroic special operations police officer, takes on both the role of mother and father to his daughter Zeynep while juggling his demanding duties. Just as a beautiful bond forms between father and daughter, Serap, who had left home, returns. A difficult period begins in the lives of father and daughter.