1x1 - Das Rätsel der keltischen Maske

November 3, 2014

1x2 - Familiengeheimnis

March 16, 2015

1x3 - Stille Wasser

April 18, 2016

1x4 - Die Braut

May 1, 2017

1x5 - Abgrundtief

October 2, 2017

1x6 - Die Wiederkehrer

January 22, 2018

1x7 - Die vierte Frau

October 1, 2018

1x8 - Der Stumpengang

February 4, 2019

1x9 - Die Meerjungfrau

February 19, 2019

1x10 - Fluch aus der Tiefe

January 2, 2020

1x11 - Der Blutritt

September 7, 2020

1x12 - Der Wegspuk

December 30, 2020

1x13 - The Soul Circle

January 11, 2021

When a baby is found floating inside a wicker basket on the lake, Oberländer and Zeiler suspect a connection to an older case of a missing woman. The strange symbols painted on the sheets the baby was wrapped in give them their first lead.

1x14 - Second Sight

January 10, 2022

A disturbed young woman shows up at the police to report a murder she claims to have seen in a vision. Oberländer believes it to be a hoax, but Zeiler is not letting go of the matter. Few hours later, the man described is found dead.

1x15 - Among Wolves

November 7, 2022

A wolf roaming the woods causes unrest among the population and attracts dubious characters to Lake Constance. When one of them, a trophy hunter, is found dead in his self-made wolf trap, detectives Zeiler and Oberländer are called upon.

1x16 - Nemesis

February 6, 2023

While Zeiler has still not returned from her vacation, Oberländer has problems getting used to her replacement, the resolute Detective Hoffmann from Vienna. But soon a complicated murder case forces them to cooperate.

1x17 - The Night Demon

September 17, 2023

Plagued by nightmares and strange visions, Detective Oberländer is suspected of murder.

1x18 - Breathless

January 2, 2024

Just as the freediver Victor is about to start a new record attempt, the body of his wife is found in the depths of Lake Constance. Detectives Oberländer and Hoffmann suspect that Victor himself may have been responsible for the drowning of his wife.