As the Swedish town of Kiruna sinks, Frigga finds herself torn between her family and her job as security chief at the world's largest underground mine.
Juha has lost his wife in an accident. Years after, he still feels numb and unable to connect with people. Meeting Mona, a dominatrix, changes everything.
The reception for Finland's Independence Day is rudely interrupted when the presidential palace is attacked and the state leadership is taken hostage. Max Tanner of the Security Police is appointed as a negotiator in the hostage crisis, that unfolds as part of a bigger plan to undermine European security.
