Zoey, an up and coming mixed martial arts fighter, gives up her dream of fighting in a worldwide mixed martial arts tournament to fight in the seedy, underground world of mixed martial arts fighting after her father is killed by the Russian mob associated with the underground fighting world. She battles a lot of fighters in many different venues to get the ultimate fight, a fight with the people responsible for her father's death.

The movie opens as Johnny Thompson loses a vital MMA match in Vegas. Because of his unscrupulous dealings, he flees Vegas and returns to his hometown of Kansas City. Things heat up when Joe McCray, the bookie from Vegas, arrives in Kansas City with two of his lackeys to collect from Johnny. As this is occurring, Jason and Tom Perkins, a father son duo who operate a nail salon, are looking for partners to join in their daring bank heists after one of their partners is killed. Jason and Tom learn that Johnny, with whom they worked with years before, is back in town. They decide to approach Johnny with an "opportunity". Johnny agrees to join them, but the situation progressively deteriorates when the FBI and Joe McCray begin to suspect (with good reason) that Johnny is behind the bank heists. An array of characters enter the picture to complicate the plot, including: Eric Hoffman (a corrupt banker), Brennan (an amateur race car driver), Jason's wife, Johnny's son, Johnny's ex-wife, ...