Brief introduction of Nightcrawler's plot

Lou Bloom (Jake Gyllenhaal) is a passionate young man who desperately wants to get a job. He found that he might be able to make a difference in reporting underground criminal activities in Los Angeles. He cooperated with a group of adventurous photographers and broke into the dangerous and exciting "nocturnal" world. The so-called "night walking" refers to the behavior of freelance journalists and photographers shooting violent crime images everywhere and selling them to related TV programs. Nina (Rene Russo), a senior female journalist of TV station, has also become Lu's assistant. But he soon blurred the line between good and evil, from a bystander to a "star" of crime in his story.