"Insomnia" is a thriller movie directed by Nolan. The film tells the thrilling story of the Los Angeles police who go to a small town in Alaska to investigate the murder of a teenage girl. Will, a senior detective of the Los Angeles Police Department, accepted the order of his superiors, and at the same time Hap went to a remote town in Alaska to investigate a case where a young girl was killed. This small town is very special, because the sun never sets, so there is no night. Will, who has just arrived, is very uncomfortable. After investigation, they locked the murder suspect, Walter, a novelist who lives in seclusion here. One day, Will and Hap followed Walter to a beach where there were many strange rocks and miasma, and Walt in front suddenly disappeared into the mist. In a pool of blood. Will was full of resentment, and in order to find out the truth, Will was determined to deal with Walter to the end. Later, a local policeman also joined the investigation of the case, but the case became more complicated, and the slow progress of the previous case made it impossible for him to adapt to this situation. Will, who has a long schedule, suffers from severe insomnia