Hatching is a horror film about a 12-year-old gymnast girl, Tinja, who does everything to fulfill her mother’s high expectations.
One day, Tinja finds a strange bird egg and starts hatching it, until out bursts a birdlike creature. Tinja names the horrifying monster Alli and hides it in her closet.
As Tinja’s buried aggression and jealousy push Alli into increasingly violent attacks, her family's carefully curated life is turned upside down until no one is safe.