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Aiyavu (Lingeshvaran Maniam) and Mani (Kuben Mahadevan) are two small-time gangsters working as henchmen for Veera Anna (Senthil Kumaran Muniandy) who handles the organized crime around Bentong and runs the business for a person named Periya Anna (Haridhass S). One day, Veera Anna entrusts Aiyavu to dispose of a gun. Aiyavu becomes obsessed with the gun and decides to keep for a few days. After a night of heavy drinking, they wakes up to finds that the gun has gone missing. They must now revisit the whole night, as they could not remember anything, and try to find the gun before Veera Anna finds out about it.