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.
Touko Laaksonen, a decorated officer, returns home after a harrowing and heroic experience serving his country in World War II, but life in Finland during peacetime proves equally distressing. He finds peace-time Helsinki rampant with persecution of the homosexual and men around him even being pressured to marry women and have children. Touko finds refuge in his liberating art, specialising in homoerotic drawings of muscular men, free of inhibitions. His work – made famous by his signature ‘Tom of Finland’ – became the emblem of a generation of men and fanned the flames of a gay revolution.
In a psychiatric hospital, an alleged serial killer, his therapist, and a police detective seek to solve a brutal cold case before their obsessive quest for the truth consumes them all.
During the 1950s, Helsinki was the focal point of the Cold War, as global powers and their intelligence agencies coalesced in the small neutral country that stood between the East and the West. Shadow Lines is an international spy thriller that follows a secret intelligence team whose mission is to defend the independence of Finland no matter the cost.
Veteran police lieutenant Kontio will have to work closely with a new partner, a much younger female officer Parmas. Small Town Police Department of Valkeakoski, Finland, will never be the same.