There is not only fresh air in Black Lake, there are also very mysterious things happening there... Valérie, a police officer from town, arrives with her son Dave to assist Adrien, the chief of police of a small village whose partner has been missing for 3 weeks.

When the president of Russia suddenly dies, a man whose politics are virtually unknown succeeds him. The change in political leaders sparks paranoia among American CIA officials, so CIA director Bill Cabot recruits a young analyst to supply insight and advice on the situation. Then the unthinkable happens: a nuclear bomb explodes in a U.S. city, and America is quick to blame the Russians.