Marked: The victim tells the story of a young woman who experiences strange events after taking the cat she found at her door into her home. Icon is the only child of a wealthy family. Due to the indifference of his mother and father, who put pressure on him, Simge leaves home at an early age and leads a life away from her family. A successful vocalist, Simge performs in bars with her lover Burak and his band. While everything was going well in his life, Simge, who takes the cat she found at her door home one day, finds herself in a situation that is getting more and more terrifying from that moment on.