A story of a man who is madly in love with his sister-in-law. To get her attention and sympathy, he kills his wife making it look like an accident. The sister-in-law is trapped between her love and the duties of taking care of the late sister's child.

Simran (Kangana) is an alcoholic. Aakash (Emraan) is a singer in an Indian restaurant, comforts her when she; s feeling low. Together in faraway Seoul, friendship turn to love. He learns of her past, anf the reason for her lonelines. From bar dancer in Mumbai to a pointless existence in Seoul, Simran became the girlfriend of gangster Daya (Shiny), a man on the run from Mauritius, to Dubai to Seoul. When Daya learns of Simran's affair, he promises to mend his ways. But Simran is carrying Aakash baby, she; s torn between two men, but is in for a rude shock when she makes her choice!

Muskaan a 19 year old girl is struggling like most her age to find her own identity.She eventually falls in love with a Salsa instructor Dino at the hotel she stays in. When the family of Dr. Daksh Suri and his wife Nandini and their two daughters, Samara and Muskaan embark on a month long vacation to Goa, none of them have a clue that this holiday will change their lives forever.

Hum Tum is a new and refreshing look at the eternal battle of the sexes as it follows the lives of Karan and Rhea. Karan is a cartoonist and his cartoon characters "Hum" and "Tum" are very popular. Hum Tum reflect Karan's perspective on men and women and their strange relationship. Karan is the quintessential bad boy-he is a complete flirt, and is constantly changing girlfriends. Rhea is sensitive, well bred and with high ethical and moral standards. The two come from very different backgrounds, and have evolved into very different people. Whereas Karan's father-s flamboyant famous fashion photographer, has influenced his son to be nonchalant and cool, Rhea gets her self- assuredness and moral code from her mother- a typical Punjabi with an effervescent spirit.....

Auto engineer Aditya (Akshay Kumar) and talented dress designer, Sonia (Bipasha Basu) are engaged to be married. Adi leave for Canada for training while Sonia takes off to France for a fashion show. In Canada, Adi meets the gorgeous Jia (Katrina) who's shopping for her marriage to an affluent entrepreneur, Karan. Jia is a girl of simple taste who craves for companionship, which her tycoon father and fiancee cannot give. Adi enters her life like a saviour... and friendship turns to love. A misunderstanding drives them apart... she to resumes marriage plans to Karan, and he to Sonia. Does true love find its way? Or do lovers make peace with their destiny?Fate intervenes when they meet for one last time at Jia's wedding.