I'm Not A Rebel.

Mexico 1968: students are the public enemy. Mitch, a wealthy student of Monterrey, hijacks a plane to retrieve Beatrice, who has been kidnapped by the secret police six months ago. Armed with a gun, which he doesn't know how to use, and helped by his two friends as allies, Mitch will face the most bloodthirsty General and force him to release the love of his life.