The bodies of two German tourists are found amid the wreckage of a fire. This horrific double murder leads the duo into a sinister world of leather tanning and neo-paganism.

From a tough prison, convicted felon Marek calls Niemans to come and see him. Before Niemans can get there, Marek is seriously injured and another prisoner is dead. What is going on?

Niemans loses control when he finds out about Damien and winds up isolated. Camille is caught in a quandary after hearing the information from Kleinert and truly shocking news from Marek.

While Camille is holidaying on the English Channel, she meets Paul, whose pregnant wife has disappeared under strange circumstances. She calls Niemans for help.

A horrific discovery at Werner's property convinces Camille that the deaths are connected to the signs of the zodiac. Can Mrs Malarte enlighten the detectives?

Camille and Niemans go to meet Arnaud Morillon, a former colleague. They find his corpse, infected with black plague. How did this happen?

The case is getting a little too close to home for Niemans as more infected victims are found. The media are not helping to keep the situation under wraps.