Mangalsutra is the story of a woman and her husband's life. Vijay (Anang Nag) and Gayatri (Rekha) are deeply in love with each other and their parents are family friends related to each other. They are soon going to get married, but before the marriage very strange things started happening in Vijay's life. During the marriage also, incidents happened like Vijay being attacked by a buffalo, and fire broke out at the Mandap itself. After they got married and were living a very happy life together but somebody was jealous with their happiness and that person started creating unusual things in Vijay and Gayatri's life. Gayetri found out, that Vijay is not the same person. Who is that person who is creating a mess in their life? The rest of the family also find out, that Vijay is not well and have him examined by a doctor. The doctor's treatment does not help. This leads the family to call in a Tantrik, Bajrangi Baba, fearing that he may be possessed by a spirit. Gayetri and the rest of the family soon find out that Vijay is indeed possessed by Kamini. Vijay allegedly romanced her during his college days in a hostel, but refused to marry, and this led to her unnatural death. Kamini is back and wants to destroy this marriage at any cost - even if it means killing both Gayetri and Vijay. Is there any power on Earth that can stop her? Will vijay and Gayatri's life be back to normal? Watch the multi starrer film Mangalsutra to get the answers.