In modern-day Helsinki, two lonely souls in search of love meet by chance in a karaoke bar. However, their path to happiness is beset by obstacles – from lost phone numbers to mistaken addresses, alcoholism, and a charming stray dog.
The birthday of twin boys, Mökö and Luru, takes the family Kiljunen to Helsinki, where their dog gets accidentally switched with the president's dog. Mökö and Luru rush to save their dog, while mother and father Kiljunen take over the city from land, sea and air.
Patrolman Loyan tries to find his place in the new police department while keeping his friend Warsame, newly released from prison, on the right track. Loyan's ambition is to get into detective training, but his supervisor Jokisalo thinks he'd be better off patrolling the familiar neighbourhoods with his partner Johanna. The patrol gets down to business when they start investigating what looks like a suicide. Antero Päiviö, a professional criminal and racial bigot involved in drug trafficking, has jumped from his balcony. The man who was first pronounced dead suddenly wakes up and is taken to hospital. Loyan finds it hard to believe the man's story and decides to find out the truth at any cost. As the plot unravels, it's hard to know who to trust anymore, when Warsame seems to be up to something behind Loyan's back.
A journalist traces a microchip found in baby food. A bank manager's mistake ensnares her in a much larger scheme. A family falls apart after the father goes missing. An insurance examiner investigates what happened to a border control veterinarian. This suspenseful Nordic noir drama enters the world of international money laundering through the stories of ordinary people caught up in the crimes.
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.