Sıfırıncı Gün (S01E01)

Known for his flexible view of the rules, Superintendent Kadir and his team finally find the trail of a notorious criminal, Ejder, whom they have been chasing for a long time. They get rid of Ejder with their operation, but they pay a bitter price for it. Two teammates, whom they considered brothers, are martyred in this operation. Afterward, nothing will ever be the same again.

Özgür and Mert, the favorite cops of the team, take responsibility for the failed execution of the operation. While the duo is suspended from duty, their supervisor, Kadir, also retires. However, they never stop investigating what went down that night, and soon, they discover that everything that happened was a setup. Özgür and Mert leave their friends behind and their love unfinished to find the murderer of their friends. They embark on a difficult journey, one end to the Balkans and the other to Miami.

This investigation they carry out brings Özgür and Mert to a meeting where the underground world comes together. However, this time, the duo finds the newly appointed Chief Inspector Fatih, who has just been appointed as the head of the team. The confrontation changes the fate of not only them but the whole team once again.