Appa Haja

Mahadevan (Mukesh), Govindankutty (Siddique), Appukuttan (Jagadish) and Thomasukutty (Asokan) are four young men enamored with Maya (Geetha Vijayan), the next door neighbor of Mahadevan. Maya is in town to investigate the mysterious circumstances surrounding the death of her brother. The film revolves around the antics of these four to win Maya's heart. It also explores the past of the central characters. Towards the end, John Honai (Rizabawa) a man with some dark secrets, appears.

19-year old Kannan (Sangeeth), who lives with his family in Trivandrum, comes with his mother (Srividya) to their ancestral home of Koyikkal, during a vacation, where all of their family planned to have a get-together. There, he reunites with his cousin & childhood playmate, 16-year old Radhika (Sonia), who had come to dance at the family temple & who was all set to go to USA to join her family. Kannan falls in love with Radhika & tries to woo her, with not so good side-effects.

Sreedevi (Ambika) comes with her brain-damaged husband, IPS officer Baburaj (Ratheesh), to Kodaikanal, to help him recover. There, she meets Raghavan (Mohanlal), a trucker, who aids in Baburaj's recovery. After Baburaj started regaining his memory, he realizes that Raghavan is in reality, an escaped death row con, Antony Isaac, convicted for murdering his wife, Lalitha, for having an affair. Knowing Antony's story, more than wanting to arrest him, Baburaj wanted to find Lalitha's secret lover.

Jayakrishnan (Dilip) is a bodyguard who is very into what he does. When he saves Ashokans (Thyagarajan) life, Jayakrishnan now has the responsibility of protecting his daughter Ammu (Nayantara). However, Ammu doesn't like the fact that Jayakrishnan is too protective of her so she devises a plan to distract him. She makes him fall in love with a mystery woman. However, things get messy when Ammu realizes what her true feelings are.

At the behest of his lawyer friend Shekhar (Y.G. Mahendran), ace Supreme Court lawyer A.C. Raja (Mammootty) takes up the case of Sundar (Jaishankar), a middle-aged family man convicted of killing his younger brother Balu's (Sarath Kumar) wife Vijayalakshmi (Sreeja) after raping her. Helping Raja's motives was the fact that Sundar's sister Hema (Amala) was someone Raja had tried wooing a few years ago.