Roy (Jayaram) is a successful architect married to Maya (Padmapriya) with a daughter named Anakha(pet name Anu). Roy decides to take his family on a vacation to Singapore, but Anu insists that they first go to Roy's old home. They agree to go there first, stay for 4 days, and then go to Singapore. But upon arriving at the old house, Anu starts behaving strangely and soon Roy and Maya understand that she is infected by the ghost of their unborn child Shivani, who was aborted. It was at this house both that Maya conceived Shivani and that they decided to abort the pregnancy. Shivani tells them that she is envious of the love that Roy and Maya are giving Anu, and that she will kill Anu as revenge. Roy and Maya try to escape in vain. Roy calls his friend Raveendran to his house. They all anxiously pray and wait until the time when Shivani said she would kill Anu. By that time, Shivani has changed her mind, after seeing the parents' love for Anu, and spares her life.
Unni is a share broker in Coimbatore and leads a comfortable life with his wife Latha and daughter Lakshmi/Lechu . Into the cosiness of such a living intrudes a strangerwho introduces himself as Jose. Cashing in on Unni's forgetfulness, Jose goads him into believing that he is Unni's 7th grade classmate. However, a sense of insecurity pervades, with the unwelcome guest – alcoholic and somewhat eccentric – pitching for an extended stay. Unni's misgivings about the 'mystery man' and his ulterior motives proves true, when his confidant and classmate, Dr Alex Varghese (Murali Gopy), on consultation, reaffirms his doubts that they had no schoolmate in the name of Jose.
Moss Samuel lives with Tessy, a nine-year-old girl who is more than a sister and a friend to him. Both these orphans hatch mischievous plans daily to earn the day's meal.
Garment exporter Gopakumar, with the help of his fashion designer Kamala and broker Immanuel, brings together three couples who are on the verge of separation.
Guru has the ability to predict future events. With his unique ability, he identifies several future events, including the attempted murder of his lover by a look-alike.
