"Kal Ho Naa Ho" is a poignant Bollywood film released in 2003. Directed by Karan Johar, the movie stars Shah Rukh Khan, Preity Zinta, and Saif Ali Khan. This heartwarming and heart-wrenching story revolves around the life of Aman (Shah Rukh Khan), a young man who influences the lives of his friends, Naina (Preity Zinta) and Siddharth (Saif Ali Khan), in a significant way. The film beautifully explores themes of friendship, love, and the zest for life.