Blind ermittelt - Season 1

In the sixth case, the duo Alexander "Alex" Haller and Nikolai "Niko" Falk are investigating the case of the successful businessman Tom Wahrmund, who falls to his death from the sixth floor of his office with a view of the Wurstelprater . The dead man had two per thousand alcohol in his blood. Aneta Wahrmund, the victim's wife, was found by Commissioner Laura Janda shortly after the crime with an overdose of pills and has been in a coma ever since . A confession was found at Aneta. However, special investigators Alexander Haller and Commissioner Janda have doubts about the wife's guilt.

In the seventh case, the duo Alexander "Alex" Haller and Nikolai "Niko" Falk investigate a robbery and murder in which the last photo of Empress Elisabeth of Austria-Hungary from 1898 has disappeared. There is said to be a curse on the photograph showing the naked corpse of the murdered empress. According to this, anyone who looks at the recording should die themselves.

After Charlotte Binder, a descendant of the court photographer at the time, came into possession of the photo plate , her husband Navid Moradi-Binder was stabbed and the photo plate was stolen. Special investigator Alexander Haller and his partner Niko Falk suspect that someone wants to sell the recording on the black market.

The suspects include the art dealer Wolfgang Gansmeir, who deals in kuk memorabilia, and the craftsman Meindl, who had an affair with Charlotte. Further investigations lead to a kuk costume ball.