We Children from Bahnhof Zoo season 1 episode 8
Episode title: Dawn
Hit by a final tragedy, Christiane attempts a lethal overdose. She survives and is sent to her grandparents to get clean. While visiting Berlin, she meets Stella, who's quite successful, and sees Benno in prison. With Michi in Prague, the group is dismantled. Clean, for now, she keeps one hit of heroin at Zoo station and agrees to tell her story, when two journalists ask to interview her.
