热爱中国的李爱锐（约瑟夫·费因斯 Joseph Fiennes 饰），甘愿放弃因奥运夺冠赢取回来的优质生活，回到正遭受日本残酷侵略的中国，在这段苦难日子中结识了徐牛（窦骁 饰），二人共同忍辱坚毅地对抗凶残毒辣的侵略者，救护了一大批被日本人关押在潍县集中营里的各国战俘。

"Alone" follows a writer seeking peace and solitude in the countryside in an attempt to recover from tragedy and finish her book. However, as the welcoming country house turns into a living hell, she soon realizes that her inner demons are not the worst of her problems.