On the fifth season of the hit Spike TV reality series The Ultimate Fighter, 16 of mixed martial arts top lightweight up-and-comers will fight tooth and nail for the opportunity to change their lives forever by earning a UFC contract. But the stakes may be even higher for the two coaches, lightweight legends Jens Pulver and BJ Penn, who have their own bitter score to settle - one that can only be decided by a rematch in the world-famous Octagon.