"Grimm" Season 4, Episode 3, titled "Last Fight," airs Friday, Nov. 7, on NBC. Nick Burkhardt (David Giuntoli) and Adalind Schade (Claire Coffee) have somehow become inseparable, and two hexenbiests are headed into battle in the new season of the series.

Spoiler alert: This feature contains Grimm Season 4 spoilers. Read at your own risk if you have not seen the previous episodes or episode synopsis.

In Grimm Season 4, Episode 2 ("Octopus Head"), Nick begins to see a vision that is causing him a massive headache. He sees what Adalind sees in her prison cell in Vienna. Adalind, in turn, sees what he sees, and they become inseparable, as a result.

It is not clear what is causing the Nick-Adalind vision connection. Some viewers are guessing it could be the side effect of the intimacy they shared albeit Adalind was pretending to be Juliette (Bitsie Tulloch).

Viktor (Alexis Denisof) makes a snide commentary about Adalind being in bed with Nick, but no possible consequences were brought up.

Meanwhile, the role of Louise Lombard in Grimm Season 4 has been confirmed in this weekend's new episode. She is Captain Renard's (Sasha Roiz) hexenbiest mother. In the promo clip for Grimm Season 4, Episode 3, she talks about beating a hexenbiest (Adalind) with another hexenbiest (herself).

"Nick investigates a vicious slaying at a boxing gym while dealing with repercussions from a strange vision. Elsewhere, Monroe (Silas Weir Mitchell) and Rosalee (Bree Turner) make some headway in their quest to help Nick regain his powers; and Adalind gets an unusual visitor," reads the Grimm Season 4, Episode 3 synopsis on TV.com.

Juliette has taken some steps into letting her feelings known about the currently un-grimmed Nick. She tells Monroe and Rosalee to delay finding a remedy for his situation. The two decide to go in a different direction, and they later receive an offer to help - from Captain Renard's mother (as seen in the promo clip).

Grimm Season 4 airs Fridays on NBC.