UFC Fight Night 71: Mir vs. Duffee

Four fighters from different backgrounds come together to train under an ex MMA rising star and then ultimately have to fight each other and the traitor in their midst.

Picking up after the events of Never Back Down 2, former MMA champion Case Walker is on the comeback trail to become champion once again.

After suffering a brutal defeat and being told he can no longer fight, 37-year-old, scar-ridden prizefighter Louis 'Mountain' Rivera struggles to find a new direction in life.

A blind Vietnam vet, trained as a swordfighter, comes to America and helps to rescue the son of a fellow soldier.

The Double Deuce is the meanest, loudest and rowdiest bar south of the Mason-Dixon Line, and Dalton has been hired to clean it up. He might not look like much, but the Ph.D.-educated bouncer proves he's more than capable – busting the heads of troublemakers and turning the roadhouse into a jumping hot spot. But Dalton's romance with the gorgeous Dr. Clay puts him on the bad side of cutthroat local big shot Brad Wesley.

Monroe Hutchens is the heavyweight champion of Sweetwater, a maximum security prison. He was convicted to a life sentence due to a passionate crime. Iceman Chambers is the heavyweight champion, who lost his title due to a rape conviction to ten years in Sweetwater. When these two giants collide in the same prison, they fight against each other disputing who is the real champion.

Life for a single mom in Los Angeles takes an unexpected turn when she allows three young guys to move in with her.

In Los Angeles, an ex-con takes the underground fighting world by storm in his quest to fulfill a promise to a dead friend.

A high school biology teacher moonlights as a mixed-martial arts fighter in an effort to raise money to save the school's music program.

Small-town boy Shawn MacArthur has come to New York City with nothing. Barely earning a living selling counterfeit goods on the streets, his luck changes when scam artist Harvey Boarden sees that he has a natural talent for streetfighting. When Harvey offers Shawn help at making the real cash, the two form an uneasy partnership.

Russian inmate Boyka, now severely hobbled by the knee injury suffered at the end of Undisputed 2. No longer the feared prison fighter he was, he has declined so far that he is now good only for cleaning toilets. But when a new prison fight tournament begins - an international affair, matching the best fighters from prisons around the globe, enticing them with the promise of freedom for the winner - Boyka must reclaim his dignity and fight for his position in the tournament.

Raised as a slave, Danny is used to fighting for his survival. In fact, his "master," Bart, thinks of him as a pet and goes as far as leashing him with a collar so they can make money in fight clubs, where Danny is the main contender. When Bart's crew is in a car accident, Danny escapes and meets a blind, kindhearted piano tuner who takes him in and uses music to free the fighter's long-buried heart.