The story centers on (Mads Mikkelsen), a career soldier serving in Afghanistan who is forced to return home after his wife is killed in a horrific train accident.

: While Markus initially accepts the tragedy as a freak accident, he is approached by Otto , a statistics expert who was also on the train. Otto is convinced the crash wasn't random but a targeted assassination of a key witness in a trial against the "Riders of Justice" motorcycle gang.

: Markus joins forces with Otto and two other eccentric hackers— Lennart and Emmenthaler . Together, this mismatched group of socially awkward geeks and a hyper-violent soldier embarks on a mission of revenge. Why It Stands Out