As the new president of Finland is inaugurated, the Fist buries one of their own; Helena is still looking for answers about her past, and a routine job turns to mayhem when a new enemy arrives.
Helena learns shocking things about her mother; Kekkonen wants the strike to end, and Helena and Olavi go undercover to find out who is behind it; Aune and Yrjö search for their new enemy.
The strike ends and Kekkonen rewards Yrjö by telling him to take a break; Helena and Olavi have a fun night together, while Tabe gets a new friend; Aune visits an old friend to find their enemy.
The Fist is falling apart as no one knows who to trust; Helena takes a major risk to save Finland and find the truth about her mother; Olavi pays a high price for his loyalty.
As Helena struggles with her past and Yrjö for his life, Olavi makes a difficult choice; Aune enjoys her newfound power; Tabe decides to turn a new leaf.
Helena meets her father, and Tabe visits her past; Helena makes a deal with the devil; Olavi finds himself on the way to hell.
While the members of the Fist are fighting for their country, they learn that they have to join the forces one more time if they want to save each other, too.
The Fist, a secret Finnish task force, has a covert operation in the USA Embassy in Helsinki, Finland
Helena is determined to prove to Yrjo that she belongs to the Fist. She does what she is told, but has to pay a high price to succeed.
The Fist learns that the Soviet leader Khrushchev is about to return the Porkkala to Finland, to ensure that the Prime Minister Kekkonen becomes the next president of Finland.
Helena, Tabe, and Olavi follow the Finnish president and prime minister to Moscow to ensure that Khrushchev doesn't change his mind about Porkkala.
Tabe Slioor throws a big party to celebrate the prime minister Kekkonen and his successful trip to Moscow. The real purpose of the party is to start a new mission.
The Fist sets out to stop the money shipment from CIA to Fagerholm's campaign. Helena confronts Yrjo about her past.
Badly beaten Julius is trapped at the headquarters. Aune pressures Yrjo to forgive Julius, and he comes with a solution.
Olavi's mission has succeeded, and Kekkonen has convinced Hrushchev to return Porkkala just before the presidential election.
Helena tells Julius about her mother's death certificate.