Children's animated feature starring the voice talents of Kate Winslet and Willem Dafoe. Young swift Manou (Josh Keaton) grows up believing that he is a seagull until one day his adoptive parents Blanche (Winslet) and Yves (Dafoe) tell him the truth. Shocked by this revelation Manou struggles to come to terms with his new identity and finds himself feeling estranged from his seagull family. As he becomes friendly with a flock of swifts he discovers a whole new range of skills he didn't know he possessed. However, a threatening storm means Manou must try and rectify the differences that exist between seagulls and swifts.