Tells the story about Karan, a young, spirited, sporty boy who lives life off the rules and Sana, a young petite, shy girl who lives life by the rules. This develops into a magical love story. Karan's uncle, Dr. Yatinder Khanna's much developed time machine finally works. Sana expresses her wish to travel ahead in time to Mumbai in the future. We land in Mumbai 2050 in the time machine... along with Uncle Yatinder, Rahul and Thea (Sana's younger brother and sister). Flying cars, 200 storey buildings, robots and sky rails have changed the very face of Mumbai. Through a series of twists and turns, the time traveler Karan finds himself separating from his love. QT, a friendly femme robot and Boo, a small robotic teddy bear play their distinct roles in bringing their love story together but soon find themselves under the threat of the demi-god of the future, Dr. Hoshi. Will Karan be able to overcome the threat of Dr. Hoshi and win his love and travel back in time?
Broken hearted, she moves to another city where she meets Vinod Khanna. He offers her a job in his travel agency and she starts putting her life back together. Vinod Khanna too has suffered a tragedy as he lost his love Juhi Chawla to a terminal illness. He falls in love with Sridevi, proposes to her and she agrees to marry him. Meanwhile, Rishi undergoes treatment and gets back onto his feet. He searches for Sridevi and lands up at her doorstep just after she agrees to marry Vinod Khanna. The climax revolves around the man she finally decides to marry and why.