20 x 45 min (2 seasons)

After a difficult childhood with her oppressive father - a former policeman - Cihan has grown to become an independent young woman. But his influence still looms large in her life; her father always wanted a son and Cihan believed she had to be strong and follow him into the police force. One day, now working in the interrogation unit, Cihan faces the most challenging case of her life. When she hears that her father has been found dead and there is a suspicion of murder, she desperately wants to be assigned the case, but she is refused as he is a family member. Her colleague Metin takes the file and tries to uncover the truth. But Cihan is in a race to find evidence before Metin with her own secret investigation. This tension between them gives way to an emotional attraction.

Cihan’s sisters, who always hated their father, become Metin’s prime suspects. Will Metin, be able to conduct a professional investigation while staying true to his feelings for Cihan? And will she put her heart first or will the secrets uncovered from the past prove too much to take?

In the second season, a new series of murders marked with the word “Sin” reunites the team, uncovering links to Cihan’s father’s case and revealing shocking truths that shake Cihan and everyone around her.