Nirakkoottu movie tells Sasikala Varghese (Urvashi) who wants to find out about Ravi Varma (Mammootty) who is sentenced to death for the murder of his wife Mercy (Sumalatha) who is also Sasikala's sister. Journalist Sasikala covers and receives acclaim for the story of the once-wealthy but now death-sentenced convict Ravi Varma, for the cruel murder of his ex-wife Mercy, a beautiful model. A day before his scheduled execution, Ravi Varma escapes prison, and a deeper story that ties him, Sasikala and other characters unfolds in the events that follow.
Mammootty
as Ravi Varma
Sumalatha
as Mercy
Urvashi
as Sasikala Varghese
Lissy
as Dr. Suma
Babu Namboothiri
as Ajith
Azeez
as Jailor
Prathapa Chandran
as Paul Mathew
Jose Prakash
as M. K. Abraham
Baiju Santhosh
as Boy at the Petrol Pump
