The run up to Grimm's 100th episode is proving to be just as exciting as the highly anticipated episode is sure to be.

Grimm' Season 5: When Will Kelly Show His Powers? EP Teases Future Of Nick's Baby

The NBC drama is finally ready to bring an end to the Seven Key mystery, and they will do so with a three-part storyline. Nick and Monroe will kick off their adventure in "Map of the Seven Knights" before taking on "Key Move" an rounding out the trilogy with "Into the Schwarzwald."

After Monroe's Uncle Felix brings the Scooby Gang several important Grimm texts in episode 10, Nick and his pals will start to edge closer to the solution to their Seven Key mystery. Unfortunately, the guys aren't working in a vacuum. While they turn their attention to a seasons old problem, the wesen uprising will continue simmer.

'Grimm' Season 5: Eve 'Doesn't Care' About Nick, Find Out Her New Reason To Live

"A trip overseas will take Nick and Monroe on a dangerous journey," NBC teased. "- Newly gained artifacts take Nick (David Giuntoli) and Monroe (Silas Weir Mitchell) closer to the source of a long-gestating mystery. Elsewhere, Black Claw makes a deadly move that will send Portland into disarray."

Find out more when Grimm airs Fridays at 9 p.m. ET on NBC.

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Grimm, Television, Nbc