Carl Hamilton has just returned to Sweden after many years of secret education in the US when Stockholm is shaken by a series of terrorist attacks. Hamilton is assigned to assist the Swedish intelligence service in their pursuit of the guilty, but at the same time works as a double agent.
![Syndrome [E]](https://image.tmdb.org/t/p/w300/d1KLA95GTR0WbG9dXe4JF1LRy3Z.jpg)
