Grimm: "Key Move" (5x11 Promo)

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. Bitsie Tulloch, Russell Hornsby, Sasha Roiz, Reggie Lee, Bree Turner and Claire Coffee also star.