Rakkuyilin Ragasadassil is a family drama happening in a marital life with Mammootty and Suhasini playing the lead roles. The film starts with the comeback of Mr. Viswanathan (Mammootty), a well-known musician of past. He was in love with his college mate and a dancer Janani( Suhasini). Due to this, the couple faced several problems from her own father and the college principal Ragan Vaidyanathan (Adoor Bhasi). But finally they managed to get married. Soon after their marriage, their ego and professional jealousy started causing problems in their life. After a very short married life, Viswanathan leaves the house with their son. During his comeback their son meets Janani. Janani was trying to achieve Natyasree award in dance. Viswanathan came back to prevent this achievement. He Challenges Janani to dance to his voice. On the day of competition, Viswanathan realizes the situation and withdraws from the competition. He entrusts his son to sing instead of him. After the award, the couple rejoins.