This is a story about crime, corruption and vengeance. "Langgar" is centered about Nizam, a man who seeks vengeance on group of gangster that harm murdered his wife and his child to settle a blood-debt. With help from his friend, Khairul, he infiltrates the ranks of a notorious gangster group led by Radzi, who runs nightclubs, deal drugs and is involved in illegal money lending. Nizam recognizes Radzi and his partners from that tragic night. This is his chance to draw blood, to full fill his revenge.