Nandanavanam 120km is a thriller which revolves around a thief Amar (Ajay Varma). Amar makes a deal with Banerjee (Kota Srinivasa Rao) who also happens to be a thief but in a different league to impersonate a look-alike of Amar who is heir to a huge property. Rest of the movie deals with some eerie and spine chilling moments making it a great suspense film.