Annarth is an action thriller drama. The movie revolves around Jimmy (Suniel Shetty), a gangster, who is a big supporter of his elder brother Raghav (Ashutosh Rana), a dangerous crime boss in Mumbai. Jimmy introduces his friends Sameer (Gautam Rode) and Bandya (Vinod Kambli) to Raghav, who accepts the duo in his gang. Things take a turn when Bandya is killed on Raghav’s orders. Jimmy believes it was the work of the rival gang and sets out to take revenge. Sameer, who is actually an undercover police officer who intended to infiltrate into Raghav’s gang to end his terror, tries to convince Jimmy that his brother was responsible for Bandya’s murder. However, Jimmy doesn’t believe him, but little does he know that his brother has sinister plans for him. Will Sameer be able to save his friend from his own brother?