改编自冲田卧龙的同名小说。故事讲述在黑白两道人缘很广，也能操纵媒体的情报头子「INFORMA」・木原庆次郎（桐谷健太）与八卦周刊记者・三岛宽治（佐野玲于）组成搭档，一起追踪神秘的连续杀人事件。

Ryutaro Ninomiya, 27 years old, lives a fairly simple life. He works at an auto-repair shop, reads books and drinks a few beers. One day, he receives a phone call from Yusuke, his childhood friend whose mother, Ryuko, is dying from Hepatitis C. Despite knowing for a while that Ryuko was sick, Ryutaro hasn’t visited her, but today he decides to go.

故事讲述了无法走出过去阴影的动作演员拯救失去父母的孤独女高中生的故事。藤冈靛从自身亲身经历出发，以独特的视角聚焦“日本人”，以及人的两面性。

影片围绕三个背景不同的拳手展开。末永晃（森山未来 饰）在经历过职业巅峰之后，沦为了边缘的败犬拳手，一直以来被当做给别人增长信心的“软柿子”捏，一度迷失自我甚至想要放弃拳击，坠落谷底之后，幡然醒悟，最终重回拳场，试图寻找生存的意义；大村龙太（北村匠海 饰）是一名背负着秘密的年轻拳手，儿时便被双亲抛弃，甚至走上了叛逆不良少年之路，破碎不堪的人生因为拳击重拾生机，初出茅庐却势不可挡；宫木瞬（胜地凉 饰）则是一名“星二代”搞笑艺人。在父亲的质疑下，迷失自我，无法找到自己的立足之地。因电视节目企划而参加拳击比赛，嬉皮笑脸插科打诨的假面下，试图通过拳击真正的证明自己，赢得胜利。
《败犬：生存》主要围绕末永晃与大村龙太之间的终极对决展开。在结束与宫木瞬的比赛之后，末永晃再一次面临退役这一抉择，与此同时，决心在拳击台上大展拳脚的新星大村龙太却因为意外而受伤，刚刚开始的职业拳手生涯面临前所未有的危机。怀揣着各自的故事，二人开始为最终的对决展开日复一日的训练。在最终的拳击台上，燃尽最后一丝气力也始终坚持的二人，散发着耀眼的光辉。

Tells the story of three bottom-dog boxers who gets used as punching bags. Pro boxer Suenaga Akira fell off the path to greatness but still tries to crawl his way to the top. Omura Ryuta is a youngster who grew up in foster care. Miyagi Shun, a TV celebrity with famous parents, takes a shot at boxing as part of a TV show. Three underdogs with very different back stories put their pride on the line as they exchange blows.