The episode stills for tomorrow’s Grimm “Quill” are now available! Check them out to get a better look at the mysterious plague affecting the Wesen creatures.

The mysterious yellow plague comes to Portland and begins to affect the Wesen creatures. Nick stumbles upon the disease during an investigation and realizes it’s spreading quickly when someone close to him get infected! Before Monroe and Rosalee can address their new level of romance, one of them will become ill. Captain Renard is also busy hunting down a foreign fugitive who has come to Portland.

GRIMM 2x04
GRIMM 2x04
GRIMM 2x04
GRIMM 2x04
GRIMM 2x04
GRIMM 2x04
GRIMM 2x04
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“Quill” will air September 3 at 10 p.m. on NBC.