Ep 5. Cry Luison

In the fifth episode of season four of Grimm, titled "Cry Luison," Nick and Hank find themselves investigating a case involving a Wesen who can cause its victims to have terrifying hallucinations. The creature, known as a Luison, looks like an ordinary human but can transform into a dog-like creature with glowing eyes.

The case takes a personal turn when Nick's mother, Kelly Burkhardt, shows up unexpectedly to warn Nick of the dangers of the Luison. She reveals that the creature is often used by Wesen leaders as a form of psychological warfare, causing their enemies to suffer horrific visions and ultimately break down.

Meanwhile, Monroe and Rosalee are dealing with their own problems as they prepare for their upcoming wedding. Monroe's parents, who are staunch advocates of Wesen purity, have refused to attend the wedding due to Rosalee's mixed heritage. Monroe is torn between his love for Rosalee and his loyalty to his family, and the situation is further complicated when Rosalee's ex-boyfriend shows up at their doorstep, looking for a place to stay.

As Nick and Hank delve deeper into the case, they realize that the Luison they are chasing is not acting alone. They discover a complex web of Wesen politics and manipulation, and must navigate carefully in order to avoid becoming pawns in someone else's game. Along the way, they are aided by an unexpected ally who possesses unique insight into the workings of the Luison.

The episode is full of suspense and intrigue as the characters must navigate both external and internal conflicts. Nick is forced to confront his complicated relationship with his mother, while Monroe and Rosalee must come to terms with the realities of their cultural differences. The Luison's ability to induce hallucinations adds an element of psychological terror to the story, keeping viewers on the edge of their seats.

Fans of Grimm will not be disappointed with this episode, which continues the show's tradition of blending traditional police procedural elements with supernatural storytelling. The intricate world-building and multi-dimensional characters are in full force, as the show explores the themes of family, identity, and loyalty. Overall, "Cry Luison" is a strong entry in the series and a must-watch for fans of the genre.