Mutharasan (Sanjeev/Shreekumar) is the grandson of a rich landlord. He loses his mother and his father remarries Nilambari (Fathima Babu). He does not know that Neelambari is plotting to kill him, and in fact respects and trusts her. Meanwhile, Vennila (Nachathira) his cousin loves him and wants to marry him. Neelambari secretly plots against him to acquire his father's property for her children; however, a clause in the will forbids her, as it says Mutharasan's wife must sign. Nilambari brings Swetha (Chaithra) her niece to get married to Muthu and stands by her side. Meanwhile, Chitra's (Mutharasan's dead wife) ghost is now out to spoil Nilambari's evil designs. After few days Nilambari and her gang found it is sprit of Chitra who spoils their plan. Now Swetha becomes too wicked and controlled the power of Chitra's spirit. Meanwhile, she plots an idea and kills Vennilla mother and grandmother. Later a final day comes were Swetha and Muthuarasan's marriage fixed, here comes Swetha's ex-husband to stop the marriage. Swetha comes to know this and planned to kill Muthuarasan's father. Now Vennila becomes too lonely as everyone who supported her were dead. Here comes a clever character Kalai(Vinitha), wife of Maruthu (Nilambari's first son) who finds power of Chitra and stand along with Venila .Maruthu later causes an accident to kill Kalai but she slips into coma. Chitra's mother comes in picture to reveal the truth to Muthuarasan , but later gets killed by Nilambari. After some time, Ruthra (Lisha), the real daughter of Mutharasan, reunites with him although he does not know that Ruthra is his daughter, But Ruthra knows that Swetha is planning to separate herself and Vennila from Mutharasan. In a series of events, Mutharasan identifies the true caring nature of Vennila and how people in the house are taking advantages of her and stands beside her in all her problems . Mutharasan comes to know , from a priest that he has a biological child whom chitra had delivered before her death .In an attempt to know his child ,he climbs the Siddhar Malai and gets to know that Ruthra is his daughter.When he returns , Ruthra is abducted by a family (hired by Swetha ) who claim that Ruthra is the daughter of Pasupathi and Chitra. Mutharasan doesnt believe this ,but gets attacked by them in his head and gets hospitalised . In a series of events , the members who claimed Ruthra are killed by divine interventions and forces . Eventually ,Vanilla brings a herb from siddhar mal