Crushed by a loved one's death, Kaya joins an elite police unit as it reckons with the repercussions of a recent bloody shootout at a Diyarbakir school.

Amid ongoing clashes near the Syrian border, the squad sets out to deliver a captured PKK leader, but faces an ambush on the road to Mardin.

Turan and Kaya are trapped in debris during a dangerous operation in Sur; Murat finds a way to rescue them with Gokce's help, but he risks his own life.

In Istanbul, the team raids a cafe connected to a smuggling ring and tracks down a wanted man known as "Ghost"; Asena discovers a letter from her dad.

To out hidden rivals, Turan and Kaya are drawn into a scheme with Osman, while Kemal interrogates a foreign operative to help foil an imminent plot.

When gunmen take civilians hostage inside a building, Kaya seizes his chance to avenge his sister's death; Turgut anticipates a major political storm.