Raja is a Police Constable. He falls in love with an aspiring writer Ranguski. Raja often visits Maria, a Senior citizen who has demanded Police custody as she is an antique collector and possesses many valuable things. Maria and Ranguski live in the same Housing Complex. Raja tries to woo Ranguski by making her prank calls in the name of a stranger and forcing her to love him instead. As Ranguski is frustrated by this, she falls in love with Raja. But to Raja's surprise, he finds that Ranguski still gets such calls from a stranger. Soon, he too gets such calls and the caller threatens to Kill ranguski. Raja rushes to Ranguski's home to save her and eventually does., but finds out that the Killer has killed Maria. Circumstances prove that Raja is the Killer and the Police arrest him. Was Raja able to escape and find out who is the real killer forms the crux of the movie, which ends with an unexpected twist.