该片主要是以史学家与一位否认纳粹大屠杀真实存在的人在法庭上对峙展开的，这名男子因为否认纳粹大屠杀真是存在而被史学家告上了法庭，但诽谤罪是讲究证据的，史学家不得不多方面搜寻有关纳粹大屠杀真实存在的证据，不仅如此他还聘用了有名的律师为自己辩护，在律师和她的团队帮助下，成功搜集了纳粹大屠杀存在的证据并获得此次的法庭的诉讼。

"Denial" is a biographical historical film with great historical significance. Long shots describe the ruthlessness and cruelty of war, and some specific scenes vividly describe the helplessness and confusion of the Nazi people. Although the film is sensational, it does not have any sensational plots, but a calm and unhurried look at the historical truth. narration, exposing the ugly behavior of Britain towards the Nazis at that time

The film focuses on a courtroom confrontation between a historian and a denier of the Holocaust. The man was sued by historians for denying the real existence of the Holocaust, but the crime of defamation is evidence-based, and historians have to search for evidence about the real existence of the Holocaust. Not only that, he also hired a famous lawyer Defending herself, with the help of lawyers and her team, successfully collected evidence of the existence of the Holocaust and won this court case.