Siruthai is a hardcore mass masala fan. Siruthai is the remake of the four-year old Telugu hit Vikramarkudu. Rocket Raja (Karthi) is a pickpocket whose ally is Kaatupoochi (Santhanam). Together they perform con tricks on seemingly innocent people and when they stumble upon Swetha (Tamannah). Karthi is being mysteriously chased by blood thirsty, burly goons after the child’s arrival. Tamannah breaks up with him after the child’s entry thinking he lied to her about the child.
The actor pulling off two diverse roles with consummate ease is the saving grace of the movie. Karthi and Santhanam complement each other as well. Tamannah is just another pretty face in the movie and has absolutely nothing to do other than look pretty and dance gracefully.