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Based on a true story, this drama thriller follows Karl Koch, an orphaned young man in late 1980s Hannover, Germany. After using his inheritance to buy a home computer, Karl and his friend David begin infiltrating military and government networks. Inspired by conspiracy theories from a favorite novel, Karl's activities eventually lead him to become an agent for the KGB. As he descends into drug addiction and hallucinations, he loses his grip on reality and his friendship with David.

The film was directed by Hans-Christian Schmid, who also co-wrote the screenplay with Michael Gutmann. It is the second film in Schmid's directing career, following It's a Jungle Out There and preceding Crazy. The movie stars August Diehl as Karl Koch, alongside Fabian Busch, Dieter Landuris, Jan-Gregor Kremp, Burghart Klaußner, and Stephan Kampwirth. A total of 42 actors are credited in the production.

The film has received generally positive feedback from both audiences and critics. It holds a rating of 7.2/10 on IMDb from 7,800 votes and a 6.8/10 on TMDB from 229 votes. Film critics gave the movie a slightly higher score of 7.5/10 based on 102 reviews.