'Aap Mujhe Achche Lagne Lage' is the saga of young Sapna (Amisha Patel) who falls in love with suave Rohit (Hrithik Roshan). Sapna has grown up under the protective care of her father Dholakia (Kiran Kumar) and brother Raman (Mukesh Tiwari). Dholakia is a notorious underworld gangster and has stifled Sapna's dreams ever since she was a child. Sapna has forever been unable to experience the joy of freedom, bliss and gaiety as her father's armed escorts always accompany her wherever she goes. Friendless, she is ignorant about simple facts that could bring happiness to her soul.
Sapna's life changes forever when she meets Rohit during a Navratri festival. She discovers a gamut of emotions inside her and her life changes for the better. The warmth of love, affection and bliss unfurls a new lease of life in her. But will she be able to sustain her newfound relationship in the adverse situations that her father and brother create for her?