Sapna lives a simple life in the slums with her hard-working mother and her alcoholic step-father. One day she catches the eye of the wealthy smuggler Heera, who tries to seduce her, then sexually assaults her. Sapna is rescued by the young taxi driver Amit and the two fall in love, but vengeful Heera is not the only challenge to the couple's love.

Kasauti literally means "norm". The key players are Sapna (Hema Malini), Amit (Amitabh Bachan), Pyarelal (Pran), Neeta (Sonia Sahni) and Heera (Ramesh Deo). The theme is urban poverty and how poverty, crime and the power of money come together in twisting and turning the lives of the participants........... Sapna lives with her factory worker mother and her alcoholic step-father. Money is always scarce......... Neeta's husband is crippled from an accident and goes blind a bit later. Neeta goes to work to support her family; as a prostitute.......... As friends, Neeta introduces Sapna to her pimp, Heera and hopes that Sapna will earn enough money to pull herself out of the clutches of poverty and the misbehaviour of her step-father...... Amit, an educated young man, an owner-driver of his taxi comes to Sapna's rescue when she is under threat, and gratitude turns into romance and then love..... The alcoholic step-father has designs on Sapna, and when her mother is out working tries to ...

Kasauti Zindagii Kay often abbreviated as KZK is a popular Indian soap opera that aired on STAR Plus channel from 2001-2008. The Show star cast Shweta Tiwari, Cezzane Khan & Ronit Roy in Leads, and Urvashi Dholakia as the main antagonist. The Show was the Story of Prena and Anurag who eventually fall in love with each other, But they never get closer, and Komolika makes plans against their affair, it describes Anurag and Prerna—lovers who were separated throughout their lives but achieved union in death.Kasautii Zindagii Ki was the 3rd most popular and 2nd most awarded show that aired on Star Plus from 2001 to 2008. The show ranked at no# 3 among Star Plus' best shows after Kyunki Saas Bhi Kabhi Bahu Thi & Kahaani Ghar Ghar Kii. The show won many awards for Best Series and its direction.