Ep 4. El Cuegle

Nick and the rest of the gang encounters a new type of wesen, known as a cuegle. This wesen is from a Spanish and Mexican folklore and is known to be a shape-shifter that preys on parents who leave their children unattended. The cuegle takes on the form of a baby, and the parents mistake it as their own, taking it home and raising it as their own child. However, the cuegle ultimately causes chaos and harm to the family.

Nick and Hank investigate a case where a couple's baby has gone missing, and the couple insists that they had not left the baby alone at any point. Nick discovers that a cuegle is responsible for the baby's disappearance and sets out to track it down.

Meanwhile, Rosalee and Monroe face an unexpected challenge when they realize that the Wesen Council has sent an auditor to evaluate their spice shop and ensure that they are following the strict guidelines set forth for wesen businesses. This creates tension between Rosalee and Monroe, as they struggle to keep their business going while also abiding by the council's rules.

In addition, Diana, the daughter of Nick and Adalind, begins exhibiting strange behavior, causing concern among her parents. As Nick tries to figure out what is happening with Diana, he also navigates his complicated relationship with Adalind.

As the investigation into the cuegle heats up, Nick and the gang find themselves in a dangerous situation, as the cuegle will stop at nothing to protect its secret. Along the way, the group learns more about this unique wesen and how to combat its abilities.

Overall, "El Cuegle" is a thrilling episode that introduces a new type of wesen while also exploring the relationships and dynamics between the characters. As always, the show delivers on its signature blend of action, drama, and supernatural elements.