On Feb. 23, 2013, Ronda Rousey made history by becoming the UFC's first female bantamweight champion. After locking up her signature arm bar on Liz Carmouche, Rousey became the No. 1 female fighter in the world, and she has been on the rise ever since. Where did this force of nature come from? And how high can Rousey go? The film takes an inside look at that fight and how Rousey's ascension is paving the way for female fighters.