What a concrete heat! In the middle of the shimmering Berlin summer, siblings Tâm and Dennis make a disturbing discovery. In a bush on the edge of their sleepy housing estate in Berlin-Lichtenberg, they discover a single severed finger. In the course of their investigation, they have a disturbing encounter with a mysterious girl: The "girl from the parking lot" is Hoa Binh, two years her senior, and she is on the run. But on the run from whom? Without suspecting what she has gotten herself into, Tâm decides to help her.