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.
A Russian reconnaissance aircraft collides with a Finnish passenger plane over the Gulf of Finland. At the same time unexplained sabotage and cyberattacks cut off electricity and communications across the country. The Finns are left in the dark without news, electricity or heating, while freezing cold turns their dwellings into death traps.
