Zephyr Springs 2013

Overview

Topic: Film "Zephyr Springs" (2013).
Role: Meticulous television and film archivist.
Constraints:
Use ONLY verifiable facts from the provided SYNOPSIS and SOURCES.
No inventing/guessing titles, names, dates, counts, awards, ratings, box-office, viewership, or plot points.
Omit any detail not in the material.
Original, neutral, encyclopedic prose.
Plain text only (no markdown, no asterisks, no headings, no bullet points).
Length: 150-190 words.
First sentence must not contain spoilers.
Title: Zephyr Springs
Year: 2013
US Release Date: 06/01/2013
Genre: Thriller
Runtime: 1h 28m
Plot: Dawn, an overworked single mother, takes her teenage daughter, Kayla, to a luxurious but isolated spa retreat. They expect spa treatments, yoga, and nature hikes. A series of disturbing incidents occurs, causing Kayla to question the perfection of the environment.
Ratings: Kinobox.cz (35% or 36% - Source 2 says 35% in title and 36% in text, Source 3 says 28%). Wait, I should be careful with ratings if they conflict or are ambiguous, but I can mention them if I'm precise. Actually, the prompt says "Write original, neutral, encyclopedic prose". I will stick to the core facts of the film itself first.