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.

Jake, full of anger after his father's death, is just starting to find a place for himself at his new Orlando high school - until Ryan, head of an underground MMA fight club, picks Jake out as a prime opponent. After being trounced by Ryan in front of the entire school, Jake begins training under the firm, moral guidance of a MMA master, where he learns how to fight... and how to avoid a fight. But it becomes obvious that a rematch will be inevitable if Jake wants to stop Ryan and his bullying, once and for all.

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.

An old firm leader returns to Green Street for revenge after receiving a call that his little brother was killed, but is he able to cope with a new type of hooliganism and can he find his killer?

Amelia's blog empowering women not to tolerate violent relationships has brought her fame, fortune and now someone is out to kill her. Is it the new man in her life, her now paroled ex who inspired the blog, or a deranged fan? Just as she has put the pieces of her life back together, Amelia must figure out who is behind the bizarre string of attacks and stop them before her own life comes to an ironic and violent end.

One night, a young man Ken crosses path with a woman with amnesia. Unbeknowest to both of them, the woman, named Larn by Ken, is a vampire. When her relatives find and reveal the awful truth to her, she flees from Ken, despite having falling hopelessly in love with him.

No Surrender (2007) was a professional wrestling pay-per-view (PPV) event produced by Total Nonstop Action Wrestling (TNA), which took place on September 9, 2007 at the TNA Impact! Zone in Orlando, Florida. It was the third event under the No Surrender chronology. Eight professional wrestling matches were featured on the event's card.

No Surrender (2008) was a professional wrestling pay-per-view (PPV) event produced by the Total Nonstop Action Wrestling (TNA) promotion that took place on September 14, 2008 at the General Motors Centre in Oshawa, Ontario, Canada. It was the fourth event under the No Surrender name, TNA's first PPV to take place outside of the United States, and the ninth event in the 2008 TNA PPV schedule. Nine professional wrestling matches were featured on the event's card, four of which were for championships.

No Surrender (2010) was a professional wrestling pay-per-view event produced by Total Nonstop Action Wrestling (TNA), which took place on September 5, 2010 at the Impact Zone in Orlando, Florida.[3] It was the sixth event under the No Surrender chronology and the ninth event of the 2010 TNA pay-per-view schedule.

本部电影是《永不退缩》系列的第四部。前传中，讲述了几名普通人在家庭或者外界的影响下开启了综合格斗事业的故事。第四部中，故事将聚焦于一位女性拳击手的成长于蜕变。阿妮娅与弟弟阿斯兰二人时常参加拳击比赛，一次偶然机会，阿斯兰通过教练戴维的介绍加入了地下黑拳馆。一天，富豪朱利安出价1千英镑让阿斯兰故意输掉比赛，但阿斯兰却不顾约定将对手打趴在地。朱利安逼迫阿斯兰偿还他损失的3万多英镑。阿斯兰因态度强硬而被朱利安的保镖打倒在地，于是阿妮娅出手反击。见阿妮娅身手不错，玛莉亚希望阿妮娅能参与比赛。第一场比赛，阿妮娅与对手打斗激烈，使朱利安看得很过瘾，所以算作姐弟偿还了2万五千英镑。玛莉亚邀阿妮娅至意大利参加地下拳击比赛，结果却遭到囚禁。被囚禁的还有玛丽、瓦伦蒂娜、嘉雅等十几名女孩。很快阿妮娅便意识到自己是众多被绑架并被迫为一个致命的贩运集团而战的妇女中的一员。在面对是屈服于犯罪团伙的无理要求还是和其他受害者联合起来对抗幕后黑手的双重选择时，阿妮娅决定与玛丽、嘉雅指定详细的逃跑计划。于是在下一次的拳击比赛上，阿妮娅故意攻击玛莉亚，趁机将保镖打晕，随后又在医务室用手术刀挟持医生，让其用手机联系阿斯兰进行报警。众多女孩凭着非凡的勇气与智慧，最终警察成功赶到了地下拳馆，释放了被囚禁的女孩们，并将犯罪团伙捉拿归案。