Cable Raja (Simbu) who works as a cable operator is a happy go lucky chap who aspires to become rich by marrying a wealthy girl Pooja (Jasmine). A sex worker Saroja (Anushka), who has escaped from a brothel house, plans to lead a life on her own terms. Bharath Chakravarthy (Bharath) who is not interested in joining the army, although he hails from a family with that background, aims to become a famous rock star. Rahim (Prakash Raj) and his wife Zara (Sonia) become victims of discrimination for being an inter-religious couple, causing them to make plans of leaving India. Lakshmi (Saranya Ponvannan) is desperate to get funds, for her son's studies and also has some debts to be cleared.
As fate would have it, at a juncture when all these characters are present in the same private hospital, a group of terrorists attack the hospital, taking them hostage. How the lives of all these characters interweave and influence each other forms the crux of the story.