Transcript for 'Rogue One: A Star War Story' First Teaser Trailer Debuts
First, the new "Star wars" trailer breaking the internet tonight. The movie's called "Rogue one: A star wars story." It's not part of the trilogies, it's a "Star wars" standalone movie, the first of its kind. Fans are now getting their first look. Forgery of imperial documents -- Reporter: "Rogue one" tells the back story of how the rebels stole the secret plans to darth vader's dreaded space station and super weapon, the death star. A major weapons test is imminent. We need to know what it and is how to destroy it. Reporter: Felicity Jones plays the rebel tafrksed with the dangerous mission. Reckless, aggressive, undisciplined. This is a rebellion, isn't it? I rebel. She is strong when she needs to be and she has an incredible determination and focus. But at the same time there's enormous vulnerability to her. Reporter: Of course she is not the first enterprising heroine in the "Star wars" story. Loyal fans will remember those stolen plans, they're the same ones princess Leia hides inside r2d2 in the 1977 film "Star wars": A new hope." What have you done with those plans? Tonight fans are scouring this new trailer for clues. Could that mysterious dark-cloaked figure be darth vader? We'll likely have to wait until the film comes out in December.
This transcript has been automatically generated and may not be 100% accurate.