the brothers meet six sisters at a beach and respectively fall in love with each one, and the feeling is mutual. The sisters are the caretakers of Seema Singh (Ranjeeta Kaur), a wealthy heiress who is unable to walk due to paraplegia. Her uncle Ranjit Singh (Amjad Khan) has devious plans of murdering her in order to gain the possession of her ancestral property. He gets a prisoner Babu Sharma (also Amitabh Bachchan) released from jail and hires him to kill Seema. Meanwhile, Ravi is saddened to see that the brothers are terribly missing their love interests, and are thus unable to concentrate on their work. In order to make them feel better, he unintentionally helps them break into the girls' house and kidnap them all with Seema. Indu is irked with Ravi and the brothers, but agrees to let the girls stay. Soon, Ranjit learns about Seema's visit to the farmhouse and invites Ravi to his house to help him collect some clothes and medicines for Seema. During their meeting, he is shocked to see that Ravi is an exact doppelganger of Babu. Taking advantage of this, Ranjit sends Babu to impersonate Ravi with an exchange of one lakh rupees in order to have him murder Seema. Ravi is captured and imprisoned at a remote island by Ranjit's henchmen. Undergoing a complete makeover, Babu transforms himself into Ravi whose car and other belongings are obtained by him as well. Babu then goes to live in Ravi's house where he is shocked to learn that Indu is pregnant with Ravi's child. However, he is quickly accepted by Indu and the brothers as no one suspects a thing. Meanwhile, Ranjit makes Ravi suffer a lot at the island and plans to frame him for Seema's murder. At Ravi's house, Babu grabs an opportunity and is about to murder Seema with his dagger but due to the shock, she regains the control of her legs and is able to walk again. On seeing everyone's happiness, Babu is eventually overcome with guilt and falls in love with Seema. During the festival of Karva Chauth, he ends up revealing his true identity and Ranjit's intentions to the family, confessing his crime and subsequent reformation to them. Shanu forgives him as he did not cause any harm to their sister-in-law Indu, who is like a mother to them. Babu then promises Indu that whether he