Villain is an remake version of Tamil movie Villian and it is an Action based movie. In which, Siva (Raja Sekhar) is like a modern day's Robinhood. But he does not steal money from riches to serve the poor. He steals money from corrupts and big thieves to feed the needs of charity homes of physically and mentally challenged people. There is a strong reason for him to be so much attached to physically and mentally challenged people. He has a twin brother Vishnu who is humiliated by the entire society including his own parents.
Siva decides to help the entire fraternity of mentally and physically challenged people instead of helping his own brother. The rest of the story is all about how he achieved his mission.