Set against the idyllic backdrop of Coonnoor, this evocative family drama follows the twists and turns in the life of Lt. Col. Dr. Rajalakshmi and her family. The story begins from where she gets the news that someone has been released from jail. And the trip to bring that someone home gives her time to take a trip down memory lane, and we are told of things that took place a year ago.
Rajalakshmi lives in Coonnoor along with her two daughters Pinki and Pooja and her father-in-law, Pushkaran Pillai. Pinki, who is a kind of tomboy, goes around with a group of guys and is most of the time engaged in shooting for her television show Colours. Her constant companion is Rahul, who wields the camera for the television show. Though Rajalakshmi doesn’t approve much of what she does, Pinki couldn’t care less, and even calls her mother Pattalam Rajalakshmi (Pattalam meaning army in Malayalam). However, she does love her mother and stands by her whenever needed.
Pooja, on the other hand, is the typical coy girl, and her mother’s pet. She’s a teacher and is in love with a guy, with all support from Pinki. The two siblings share a very intimate bond. In the meantime, Rajalakshmi detects a fraud that has been going on in her hospital regarding the sales of medicines, and she is intent on bringing the culprits to book. This earns her some enemies.
Lt. Commander Sanjaynath turns up at this juncture. He is a close family friend and is on transfer to Coonnoor. On the very day of his arrival, he locks horns with Pinki, who had been his childhood friend.They both fight together but Sanjay gifts her a sari as her birthday dress. She looks pretty in the sari and both fall in love with each other.
Actually Rahul was secretly in love with Pinki but knowing about this relationship he keeps his love a secret. Meanwhile,Rajalakshmi fixes Pooja's marriage with Sanjay. But when she finds out about Sanjay-Pinki's relationship, she thinks about Pinki's own mother.
In truth, Rajalakshmi's husband had an affair with another woman and Pinki was their daughter.Later, both of them committed suicide when knowledge of the affair reached relationship.Pinki is brought up by Rajalakshmi. How will Pinki react when she comes to know the truth about her parentage? Who is Rajalakshmi travelling with such anticipation to receive from prison?