In Silicon Valley, the eccentric inventor of a new encryption application is murdered in an apparent carjacking. In Istanbul, a cynical undercover operative receives a frantic call from his estranged younger brother. When Alex Treven, a patent lawyer who has been working for the inventor, is attacked in his apartment, he is convinced he is the target of a conspiracy, and his brother, Ben, is his only hope. Setting aside their differences, Alex and Ben come together to find out who is behind the attacks. They soon learn that forces in America and abroad are involved in a high-stakes struggle to take hold of the technology, and now both of their lives are in danger.