S3·E5 El Cucuy

Episode recap

Task: Write a 280-380 word episode recap for Grimm S3E5 (El Cucuy).
Constraints:
Use ONLY verifiable facts from the provided SYNOPSIS and SOURCES.
No invented titles, names, dates, counts, awards, ratings, box-office, viewership, or plot points.
Omit details not in the material.
Style: Original, neutral, encyclopedic prose in plain text.
No markdown, no asterisks, no headings, no bullet points.
Word count target: 280-380 words.
Synopsis:
Nick and Hank are investigating repeat instances of apparent vigilantism.
Whispers of an old Spanish legend are circulating in a working-class Portland neighborhood.
Juliette learns the truth about Nick's mother.
Adalind has a brief scare during her ultrasound.
Sources:
Series: Grimm (2011-2017).
Genre: Drama, Mystery, Sci-Fi & Fantasy, Urban fantasy police procedural drama horror.
Creators: Stephen Carpenter, Jim Kouf, David Greenwalt.
Main character: Nick Burkhardt, a Portland homicide detective who is a descendant of an elite line of criminal profilers known as "Grimms" who fight supernatural forces.
Cast mentioned: David Giuntoli, Russell Hornsby, Silas Weir Mitchell, Sasha Roiz.
Drafting Content:
In the fifth episode of the third season of the television series Grimm, titled El Cucuy, Portland homicide detectives Nick Burkhardt and Hank investigate a series of events involving apparent vigilantism. These instances are occurring within a working-class neighborhood in Portland. As the investigation proceeds, rumors and whispers regarding an old Spanish legend begin to emerge in the area.

Parallel to the investigation into the vigilantism, other character developments occur. Juliette learns the truth concerning Nick's mother. Additionally, Adalind experiences a brief scare while undergoing an ultrasound.

The series Grimm is an American urban fantasy police procedural drama horror television series created by Stephen Carpenter, Jim Kouf, and David Greenwalt. Produced by Universal Television for NBC, the show follows Nick Burkhardt, a homicide detective who discovers he is a descendant of an elite line of hunters known as Grimms. These individuals are tasked with fighting supernatural forces. The series premiered on October 28, 2011, and concluded on March 31, 2017, spanning six seasons and 123 episodes.
Word Count Check:
The draft above is approximately 170 words. The requirement is 280-380 words.
Problem: The provided synopsis is extremely sparse. I cannot invent plot points. I must use the provided