The film starts with NSG Officer Shyam arresting a terrorist nicknamed Jagmohan Pandey. Usha Varma, the judge of the case happens to be the sister of the Indian Home Secretary Rajan Varma. In retaliation to the arrest, the terrorists kill Unni, Usha's son. Following this incident the government enlists Z Category protection for Justice Usha Varma and her family.Rajan Varma and Balram decide to give the assignment to the Black Cat Commando Team under Shyam's command.
Radha Devi (Santhi Krishna) is an office assistant working in the city of Kozhikode. She is in love with the unemployed Sivan (Jayaram). Radha Devi moves to Satyavathiyamma's (KPAC Lalitha) home as a paying guest along with two friends, Indu (Saranya) and Rama (Sari). They meet the irascible Dr. Anirudhan (Sreenivasan), a widower with a baby girl.
Sarah, Sreedevi and Pooja are best friends who are studying in the same school. However, problems start brewing in their lives when Sreedevi gets pregnant.
Mohanachandra Poduval, is a lawyer, also working as a plumber, caterer, electrical worker, driver and chenda player at festival programs. He is engaged to Sujatha, a music and dance teacher, who is the daughter of Achu Marar. Things go smoothly until Devaprabha and her grandfather Rama Varma arrive in the village. The heiress of the royal family, Devaprabha forms a strong relationship with Mohanachandran.
Daughter coming to home for vacation unaware of some past secrets that could ignite family tension.
Kattathe Kilikkoodu movie is a story about an unhappy marriage that unravels in a bad way.
