E1 - Das Rätsel der keltischen Maske

Aired: October 11, 2014

E2 - Familiengeheimnis

Aired: March 04, 2015

E3 - Stille Wasser

Aired: April 02, 2016

E4 - Die Braut

Aired: March 09, 2017

E5 - Abgrundtief

Aired: March 15, 2017

E6 - Die Wiederkehrer

Aired: January 13, 2018

E7 - Die vierte Frau

Aired: February 03, 2018

E8 - Der Stumpengang

Aired: January 03, 2019

E9 - Die Meerjungfrau

Aired: October 09, 2019

E10 - Fluch aus der Tiefe

Aired: January 02, 2020

E11 - Der Blutritt

Aired: September 02, 2020

E12 - Der Wegspuk

Aired: December 30, 2020

E13 - The Soul Circle

Aired: October 20, 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.

E14 - Second Sight

Aired: January 09, 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.

E15 - Among Wolves

Aired: November 01, 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.

E16 - Nemesis

Aired: February 05, 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.

E17 - The Night Demon

Aired: September 17, 2023

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

E18 - Breathless

Aired: January 02, 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.

E19 - The Messiah

Aired: February 25, 2024

When Hoffmann’s past catches up with her, not only is the relationship with Oberländer put to a test, but also the safety of her family is severely threatened.

E20 - Nightshade

Aired: December 30, 2024

After a book reading, a successful author of crime novels is found dead in his secluded mansion in the mountains. Detectives Oberländer and Hoffmann suspect that the perpetrator was one of the guests at the event.

E21 - The Medusa

Aired: January 13, 2025

Detectives Oberländer and Hoffmann in a race against time to free a kidnapped boy.

E22 - The Ghost Ship

Aired: May 18, 2025

A decaying ship emerges from the depths of Lake Constance, dredging up a tragic, unsolved mystery from fifteen years ago. The eerie discovery compels Detective Oberländer to confront the past and reopen the case.

E23 - The Wishing Tree

Aired: Unknown