Annie Breuer, a single mother in her mid-thirties, lives with her two children, Lena and Tino, on the top floor of an old apartment building in Vienna's suburbs. She sometimes doubts whether she can handle life's diverse challenges and challenges. She has better days and worse; sometimes a dark shadow hangs over her mind and the entire world—at least, that's how Annie feels.

Jennifer is dead. Her friends want answers. But in a town where Halloween hides more than costumes, the truth might be the last thing they survive finding out.