Overview: An upper middle-class woman is found dead in the park near her home.
Overview: A second murder and secret emails lead the Special Division to the culprit.
Overview: A dazed child covered in blood leads to a gruesome discovery.
Overview: Arno uncovers a love triangle.
Overview: The Colonel stops an armored truck robbery, only to discover the money is fake.
Overview: The counterfeit money leads to a printing press and a kidnapping.
Overview: A man put in jail by the Colonel requests help in finding his missing son.
Overview: A post office robbery plot leads to a break in the case.
Overview: Cultic symbols are drawn on a history scholar lying dead in his kitchen.
Overview: The team discovers some of the scholar's many enemies.
Overview: Desperate parents ask for help in finding their missing son.
Overview: The kidnapping ransom goes mysteriously unclaimed.
Overview: A serial killer uses social media to target young women.
Overview: In the middle of the investigation, Alla faces a disaster of her own.
Overview: A district prosecutor is assassinated outside of his home.
Overview: The investigation uncovers a revenge plot gone awry.