Get ready to be inspired.

Felicity Jones as Supreme Court Justice Ruth Bader Ginsburg. The film follows early portions of Ginsburg's long career, including the groundbreaking gender discrimination lawsuit she argued before the highest court in the land.

As you can see in the trailer below, RBG's story is an inspiring one. She's been breaking barriers for a long time. The preview shows, for example, Ginsburg starting law school at Harvard and having to justify why she took "a place that could have gone to a man."

Watch below.

Directed by Jack Reynor. Daniel Stiepleman wrote the script.

"On the Basis of Sex" opens Dec. 25.