With his company Palantir, businessman Alex Karp created a powerful piece of data analysis software. It provides intelligence service, the military and police investigative authorities with information that can be used to solve crimes or kill people. But what drives the creator of the software – ethical fundamentals or a thirst for power, is he a Faust, a Mephisto or both at the same time? An investigative journey in search of one of Silicon Valley’s most secretive CEOs.