New York police detective Andre Davis (Chadwick Boseman), who was frustrated in his career, was accidentally appointed to hunt down the murderer of a major drug-related murder case. In this horrific case, eight policemen were murdered. In order to catch the murderer as soon as possible, Davis launched the first full blockade in Manhattan's history, and all 21 bridges connecting the island to the outside world were prohibited from entering and leaving. But the blockade lasted only four hours, and Davis had to catch the murderer before dawn! During the intense pursuit, Davis discovered that the murderer was also being hunted down. There may be a heinous conspiracy behind this case. He must find the murderer and find out the truth before everything is irreversible.