Soren, a young barn owl, is kidnapped by owls of St. Aggie's, ostensibly an orphanage, where owlets are brainwashed into becoming soldiers. He and his new friends escape to the island of Ga'Hoole, to assist its noble, wise owls who fight the army being created by the wicked rulers of St. Aggie's. The film is based on the first three books in the series.
A young man (Lerman) moves from Montana to Florida with his family, where he's compelled to engage in a fight to protect a population of endangered owls.
Among normal humans live the "Others" possessing various supernatural powers. They are divided up into the forces of light and the forces of the dark, who signed a truce several centuries ago to end a devastating battle. Ever since, the forces of light govern the day while the night belongs to their dark opponents. In modern day Moscow the dark Others actually roam the night as vampires while a "Night Watch" of light forces, among them Anton, the movie's protagonist, try to control them and limit their outrage