以诙谐幽默的戏剧化方式，探讨了当下都市男女较为关心的情感话题之一：前任，真实细致地反映了当代都市男女婚恋观。

1945年抗战胜利前夕，侵华日军第七三一部队在哈尔滨平房区以“给水防疫”为名，秘密进行惨无人道的细菌战研究，大肆抓捕平民进行活体实验，妄图以此扭转败局。小贩王永章（姜武 饰）等人被强行抓入“特设监狱”，日军以“配合健康检查与防疫研究即可换取自由”的虚伪承诺，欺骗他们遭受冻伤实验、毒气实验、活体解剖等极端折磨……
影片通过平民视角揭露日军反人类暴行，展现绝境下国人不屈的反抗精神，旨在让世人铭记历史，勿忘国耻，捍卫和平。

In the year 198, Cao Cao, Prime Minister of the Han Dynasty, ventured to the east and defeated China's greatest warrior Lu Bu, terrifying every ambitious warlord across the country. Several years later, after taking the Han Emperor under his wing, Cao crowns himself King of Wei. He built a magnificent Bronze Sparrow Island to symbolize his power and rumors spread that he would replace the Emperor. Meanwhile, young lovers Mu Shun and Ling Ju are taken from a prison camp to a hidden tomb, where they spend five cruel years together, training as assassins for a secret mission. In the year 220 astronomical signs predict dramatic change. As a result, Cao's son Cao Pi and Cao's followers urge Cao to become the new Emperor - but unknown opposing forces plot against him.