ONE on Prime Video 4: Abbasov vs. Lee

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.

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.

After Margaret, a divorcée living in Dublin, loses her teenage son, she develops an unorthodox relationship with Joe, a homeless youth. Their tentative trust is threatened by his involvement with a violent gang and the escalation of her ex-husband's grieving rage.

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.

Delinquent Tyler Gage receives the opportunity of a lifetime after vandalizing a performing arts school, gaining him the chance to earn a scholarship and dance with up-and-coming dancer Nora.

When shady businessman Ron Hall kidnaps his daughter, retired karate champion Michael Rivers is forced to enter a deadly illegal Kumite tournament in Bulgaria. Enlisting the help of seasoned trainers Master Loren and Julie Jackson, he discovers other fighters face the same desperate struggle to save their loved ones.

A daughter seeks to restore the reputation of her disgraced father, a wronged college professor. With help of a professional student, she must overcome an ambitious sorority bitch and corrupt college dean.

Alex Owens, a young woman juggling between two odd jobs, aspires to become a successful ballet dancer. Nick, who is her boss and lover, supports and encourages her to fulfil her dream.

When an uptight young man and his fiancée move into his libertine mother's house, the resulting clash of life attitudes shakes everyone up.

The mob is trying to strongarm local martial arts schools, forcing young Jason Stillwell and his family to move after his father is injured defending their dojo. With his father now rejecting violence, Jason is forced to train on his own to protect himself and his best friend from the members of a rival karate school.

Ten-year-old Gabe Burton is just an average kid growing up in Manhattan until Rosemary Telesco walks into his karate class. But before Gabe can tell Rosemary how he feels, she reveals that she won't be going to public school any more. Gabe has a lot more to learn about life, love, and girls.

Programming prodigy and information activist Aaron Swartz achieved groundbreaking work in social justice and political organizing. His passion for open access ensnared him in a legal nightmare that ended with the taking of his own life at the age of 26.