Crane operator Agilan does all illegal activities in the harbour. Gokul is appointed to stop all these illegal activities. He brings in all the modern amenities to stop all these illegal activities. Agilan is capable of overcoming all the equipment and technology and continues with his activities. Gokul arrests Agilan to find the reason for all these activities.
A gang goes to rob a bank only to find that there's already a criminal mastermind holding it for ransom, but his identities and motives behind the heist remains mysterious. As they plan to collect the bounty and disappear without a trace, their crimes and their past slowly catches up with them.
Swamy and Anand Chakravarthy are lookalikes. Swamy is a jobless guy, while Anand is the son of Nanda Gopal Chakravarthy, running a company called People Mart. Under dicey circumstances Pranavi, a pretty young girl falls in love with both of them. When JP, a monstrous corporate honcho seeks to acquire People Mart through unethical means, Anand and Swamy’s lives get intertwined.
Pothuraju Veera Shankar is a hot-headed circle inspector from Andhra who doesn’t like to hear the word ‘background’. Wherever he is appointed in the state, he brings all the notorious gundas to their knees with his signature policing style. When Shankar is appointed in Ongole, the brutal Katari commits a spine-chilling murder and angers Shankar. How the rivalry between Pothuraju Veera Shankar and Katari turns worse is what Krack is all about.
Krishna (Suriya) comes to Mumbai in search of his brother Raju Bhai (Suriya), an underworld don. Through Raju Bhai's gangster friends, his past life is revealed. What happened to Raju Bhai? Will Krishna find him?