Silsila: Although orphaned at very young ages, Scriptwriter Amit and military pilot Shekhar are brothers and also very good friends. The latter is happily engaged to Shobha, while the former has just fallen in love with pretty, young Chandni. But tragedy strikes when Shekhar"s plane is shot down in Kashmir. Amit feels it to be his obligation to leave the girl he loves and marry his brother"s pregnant fiancée instead. But when, by an unexpected turn, Amit and the now also married Chandni meet again, their love for each other proves to be stronger than their marital vows.Kabhi Kabhie: Kabhi Kabhie is a romantic story about a young poet named Amit and a young and beautiful girl named Pooja, who both deeply love each other and decide to get married but destiny has other plans, as Pooja bows to the wishes of her parents and marries Vijay. However Amit drifts away from his poetry in a futile and unsuccessful attempt to leave behind his memories of Pooja by getting married to Anjali. Spanning over to the next generation, Pooja & Vijay"s son Vicky and Shobha and R.P"s daughter Pinky who love each other but things unravel as Pinky"s parents tell her that she is not their daughter. So Pinky goes after her mother and we see she is Anjali"s daughter. Sometimes later Anjali & Amit"s daughter Sweetie comes in the picture and Sweetie feels jealous as her mother shows love more to Pinky as to her. Later Vicky comes and meets both the sisters, forming a love triangle between them, and a chain of events bring together old lovers as friends...