Before being killed during their protection mission for a diamond company in Angola, Kürsad entrusts his mother and sister to his friend Terekeme. After returning to istanbul, Terekeme begins fulfilling the tasks assigned to him by the company.
Terekeme sets out for revenge after Kürsad's mother is murdered and his sister is injured. As he pursues this quest, he uncovers crucial clues that lead him closer to those responsible.
After discovering the identity of the killer and eliminating many of his associates, the company begins to track down Terekeme and invites him to a new meeting.
As Terekeme seeks justice for the oppressed, Kalfa, the company's supervisor, conspires with Sehmuz to eliminate both Terekeme and Yusuf for their mutual benefit.
As Terekeme keeps Yusuf captive in a hidden location, Sehmuz plots to gain control of Yusuf, driven by his desire for the fortune Yusuf inherited from his mother.