A police officer appearing as a social worker infiltrates the reception center. Drug courier arrives in Finland as an asylum seeker. The courier is just the first of her many disguises.

Mari's mission collide's with narcotic cop Viita's case, two different detectives have to find ways to cooperate. A new and dangerous factor comes into play, leaving behind trail of bodies.

Mari's life is in danger when the true identity of the mysterious woman is revealed. Game of deadly cat and mouse is being played in the night of Helsinki, and nothing is what it looks like.

To find out why Madina Taburova has come to Finland, Mari must befriend her. At the same time, hidden forces are setting their pieces on the board.

Trust between the two women is put to test, when Mari and Viita are trying to find the truth behind the force controlling Madina's actions.

Mari drifts into conflict with Karla Tuomi, who disagrees about the risks that must be taken to stop Madina. Madina needs to explain her actions to her superiors.

Mari helps Madina to bury a secret. More dangerous inviduals arrive to Finland. Discontent raises among the police and Madina finally faces her past mistakes.

Madina needs Mari's help to save her loved ones. Viita is caught on crossfire on several fronts. Juri's true goal is revealed and Mari has to pay the price for the truth.

The world watches as the history is being written with fire and blood. As Innocents and sinners, Madina and Mari has to come face to face with their destiny.