Teenager Gerd Zarske disappeared in Berlin during the 1990 world football cup in Germany. A quarter of a century later, his mutilated corpse is identified by commissioner Mirko Kiefer's brand new interdisciplinary SI-like team of forensic specialists. The boy's parents and big brother, all soccer-obsessed, try to hide he was gay, even transvestite, then an utter nightmare in their macho circles, still under the local team's demanding coach Dietmar Heyne.

A male corpse dragged out of Berlin's river Spree, mysteriously contains a female's DNA. She disappeared years ago after a wild nightclub party. He's identified as jeweler Serge Repin's son Igor, who received a life-saving bone marrow transplant from her, which exceptionally kept her DNA. But the operation was highly irregular, as turns out because the donor was blackmailing the patient's father. She ran away from her devout Catholic father Andreas Huber, who immigrated from the rich West. Meanwhile Mirko starts teaching his workaholic lover Katrin to respect their ...

Rumbling youngsters accidentally stumble unto a severed leg, buried on West Berlin's former US military airport Tempelhof, identified as years-missing German Turkish family son Nazim Kemal. is loved-ones are convinced he was killed and buried in Pakistan, but checking up on the leg leads the team to two youngsters sharing its extraordinary history, yielding arrests and reunions.

On his deathbed, a retired forensic lab tech discloses his boss, the chief commissioner's late mentor, forged the evidence based on which Ole Jessen served 20 years for the high-profile murder with his fishing knife on May 1988 Playmate Silke Spieker, if so innocently. Mirko's team gets temporary reinforcement from his ex Samira Vaziri, who competently helps make case it could be true. All traces point to Silke's lover, wheelchair-and mind-locked playboy Anton 'Big Toni' Malik's devoted son Robert Brink and Jimmie Pawletta, for whom she did a scandalous nude ...

The girls from East Berlin.

Berlin home renovation construction workers find a walled-in adult male skeleton, shot in the head in 2001. He's identified as cocaine trade re-offending ex-con Raul Brandt. He carried a picture, referring to the infanticide trial of Marie Schuster, who was found mentally incapacitated and locked in psychiatry indefinitely the same year. DNA tests reveal shocking false appearances, involving other kin and in-laws.

The IEK team investigates the corpse of 1970s-disappeared flower girl Monika Rothmann, both burned and suffocated as drowned. She was believed to have abandoned husband Herbert and daughter Anja without a trace, but it turns out she started a new life as political and environmental activist, yielding potential motives and suspects, but also an adulterous affair.

Shortly after making and loosing over a billion with .com stock in 2000, CEO Nils Steiner was believed to have died in a car crash, but it actually was his 'missing' CFO buddy Thomas Krohs. Nils's widow Susanna acts surprised and incredulous when told he must be alive, as his fingerprints were found at a robbery scene. The widowed sister-heirs and Susanne's second husband Malte Fink make logical suspects.

When the Berlin Wall fell in Holger Bruhns, GDR border guard Holger Bruhns was beaten to death. Now a wild boar devoured the hand, wearing a Totenkopf ring (emblem of Himmler's elite), of Dennis Schmidt. His son Tobias Hagenau is blatant Neonazi, in the bunch employed by Georg Stahl's security firm, infiltrated by Holger's former police colleague Hendryk Kast.

Berlin state attorney Bernd Eschenbach arrests Arne Gasch for digging up the bones of his big brother Sören, whose fall from a skyscraper, officially a suicide, he claims to be a covered-up murder because the boys were attempting to smuggle film to the West showing the abusive conditions in the GDR juvenile workhouse they were confined to. The team finds proof he actually succumbed from a knife fight and looks into the knaves conspiring bunch as well as former Stasi captain Detlef Wolf.