Nick (David Giuntoli) and Juliette (Bitsie Tulloch) dine with Monroe (Silas Weir Mitchell) and Rosalee (Bree Turner), discussing the upcoming wedding, and let Trubel (Jacqueline Toboni) join them.
He arrives at the room of his father, Rolek Porter (Sam Anderson), who is the elderly person seen in the last episode.
They leave the room and drive to an abandoned building where Rolek possesses many Wesen weapons, intent on contacting Nick.
Adalind (Claire Coffee) looks to know Juliette's timing at work when Renard (Sasha Roiz) walks in.
He then shows Nick and Hank (Russell Hornsby) the body of the Verrat agent with marks recognizing him as a member of the Verrat Ahnenerbe, a division that wants to find any valuable objects and tells them to find the men in the room, identifying them as Rolek and Josh.
Josh takes Trubel to the building where Rolek shows her many Grimm weapons that belonged to his family for generations.
Club's Kevin McFarland gave the episode a "B+" grade and wrote, "I've said it so many times that I sound like a broken record available in one of Portland's many used record shops, but Grimm has so many plates spinning right now in terms of potential plot avenues to wander down, from Adalind's child to the Fuchsbau coins (hopefully gone forever) to Trubel.
But of all those threads, the hunt for keys, building the secret map of the Black Forest, and searching for some unknown powerful MacGuffin — that interests me most as a quest.
"[4] Nick McHatton from TV Fanatic, gave a 4.2 star rating out of 5, stating: "It's certainly a callback to the old Grimm days when they wandered around and actively saught [sic] after Wesen.