A modern Indian adaptation of the Charles Dickens literary classic Great Expectations that revolves around the life of Noor (Aditya Roy Kapur), who is madly and deeply in love with the enchantress Firdaus (Katrina Kaif). But Firdaus is a pawn in the hands of Begum (Tabu) who herself has suffered loss in love and is now using Firdaus to break Noor s heart. What happens next in their love story forms the rest of the movie.
Rahul Jaykar (Aditya Roy Kapur) is a celebrity singer who has got everything ease in life (fame, success, money) but this raging alcoholic has never appreciated or valued what he has received and as a result his once glorius career is now a setting sun. In a chance encounter he meets a bar singer, Aarohi Keshav Shirke (Hraddha Kapoor) a simple ethnic girl from a middleclass household and gets mesmerised by her voice, he vows to make her the next big thing in the music industry. Aarohi swept by a star believing in her talent readily quits her job to fulfill her dream.
Naina (Deepika Padukone) is a shy and nerdy medical student. She studies constantly and always tops her classes. An encounter with an old classmate, Aditi (Kalki Koechlin), makes her realise that she wants more from life than high marks. She makes an impulsive decision to follow Aditi on a commercial hiking trip into the Himalayas, up to Manali. During the hike, she renews her friendship with another former classmate, Kabir "Bunny" Thapar (Ranbir Kapoor). Bunny is a handsome charmer whose dream is to travel the world. He does not plan to marry or settle down.
