Back in the 19th century a Wesen and a Grimm fight to the death. The Grimm wins, but the Wesen's son escapes and vows revenge. In the present day, Captain Renard sends Nick and Hank to investigate a crime cartel named Le Touche Givre (The Icy Touch), who are involved in forced prostitution and drug pushing. Nick gradually realises that their dangerous leader is intent on tracking him down.