What is Fatmagul's Fault?

Episode 20

"Wounded by a bullet from Mustafa's rifle, Kerim struggles between life and death in the forest house. While Mustafa tries to destroy all the evidence of the crime, he leaves Kerim alone with his fate. Every minute that passes increases Kerim's life-threatening danger. Kerim's last phone call to Fatmagül drops like a bomb in the middle of the night."