When Mythili (Jyothika) unexpectedly meets the man who haunts her violent nightmares (T.R. Silambarasan), she helps the police catch and charge him as a serial killer who preys on young women. But did the authorities get their man, or was it a case of mistaken identity? Sindhu Tolani, Atul Kulkarni, Mandira Bedi and Goundamani also star in this tensely paced romantic thriller directed by A.J. Murugan.