A prominent French politician is found dead on the border between the U.K. and France, and two agents must work together on behalf of their respective countries to find the murderer.
A burning fishing boat found on the Channel turns into a new case for Karl and Elise in the third and final chapter of the series.
第 2 集 Episode 2
播出时间：2017年12月22日
A shocking discovery is made at an immigration removal centre alongside a sinister animation containing a hidden message.
第 3 集 Episode 3
播出时间：2017年12月29日
The investigation steps up when Winnie is sent a live rat in a box, with a set of co-ordinates leading to the Pied Piper’s latest victim. Meanwhile, Karl’s disapproval turns to concern when he learns the extent of Elise’s distress over the Moreau case. In English and French
第 4 集 Episode 4
播出时间：2018年1月5日
As a young mother-to-be helps Karl and Elise with their enquiries a new development threatens to tear the pair's partnership apart.
第 5 集 Episode 5
播出时间：2018年1月12日
Karl makes a foreboding discovery at Elise’s apartment, and the pattern of missing people continues.
第 6 集 Episode 6
播出时间：2018年1月19日
In the final episode, Karl and Elise face a tense and gripping showdown with the Pied Piper, while the truth about the Moreau abduction is revealed at last.
