Karthik works as a bus conductor in a village and falls in love with Rajyalakshmi. Trouble begins when Vadivukkarasi's criminal husband, Thiagarajan, is released from jail, commits a violent crime against a local girl, and frames Karthik for it. After turmoil and suspicion, Karthik's innocence is proven, Thiagarajan goes back to jail, and Karthik reunites with Rajyalakshmi.