Ep 4. One Night Stand

Nick Burkhardt, the Grimm, and his partner Hank investigate a series of murders committed by a Wesen called the Weisse Frau. Meanwhile, Juliette is struggling with her new memories after Adalind's spell and goes to see Rosalee for help. Rosalee suggests that she try to remember the good times and go on a date with Nick, who is still unaware of her new memories.

At the precinct, Nick and Hank are investigating the murders of several men who were killed after spending the night with a woman. Nick suspects that a Wesen is involved but cannot find any evidence to prove it. However, when a survivor of one of the attacks comes forward, they learn that the woman had an unusual scent and glowing eyes during the attack, confirming their suspicion that it is a Wesen.

Nick and Hank track down the Weisse Frau and learn that she is targeting men who cheat on their partners out of revenge for her husband's infidelity. She uses her powers to mask her true appearance and lure men into one-night stands, before killing them. Nick and Hank manage to corner her, but she escapes and goes on the run.

Back at the spice shop, Juliette is struggling with her new memories and decides to go on a date with Nick to try to remember the good times. However, their date is interrupted when Monroe and Rosalee call to inform them about the Weisse Frau. Nick rushes off to deal with the case, leaving Juliette feeling abandoned.

Nick and Hank find the Weisse Frau at a hotel and a fight ensues. They manage to subdue her and take her into custody. Meanwhile, Juliette goes to Monroe and Rosalee for help and they give her a potion to help her remember her old memories. She begins to remember her life with Nick and realizes that she still loves him.

Nick returns home to find Juliette waiting for him. She reveals that she remembers their life together and wants to work things out. Nick is overjoyed, but he knows that their relationship will not be an easy road considering all that has happened.

The episode ends with Juliette and Nick embracing each other, happy to have found each other again. The Weisse Frau is in custody and justice has been served for her victims. But for Nick and Juliette, the road ahead is uncertain yet filled with newfound hope.