Jouni goes to the NBI with information on money laundering, but Marianne has more surprises in store. Johanna gets answers from the laboratory and sets out to expose the perpetrators. Sini and Sami give their father an ultimatum, and Erik is forced to choose between his safety and his children.
Marianne needs help and turns to the only person she trusts: her son, Jarkko. Johanna hears surprising news from Belgium. Sini remembers something relevant from the evening her father disappeared. Inkeri visits the grieving widow and discovers an unexpected connection.
Johanna's inquiries get her into trouble. Hammarén and Marianne test the new system with an incoming load. Not everyone is happy with Inkeri's investigative methods.
Joanna discovers that the pony's chip found its way into the baby food via fraud, but her search for more proof lands her in hot water. Hammarén makes Marianne an offer she can't refuse. When Anita is hospitalized, an old family friend appears on the scene. Inkeri is surprised to see a familiar face at the law firm.
When a microchip is found in baby food at a day care center, young journalist Johanna starts to investigate its origin. Bank manager Marianne realizes she has made a mistake that could cost her her job. A family tries to cope after the father's disappearance eight months earlier. What connects all these people?
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.