Ranvir (Saif Ali Khan) and Rajiv (Akshaye Khanna) are half brothers who own a huge stud farm in South Africa. Ranvir is a shrewd businessman while Rajiv is a wastrel who is also alcoholic. Ranvir's beautiful secretary Sophia (Katrina Kaif) is in love with him. But he is totally unaware of her. When Ranvir meets Shaina (Bipasha Basu), he falls in love with her. But Rajiv also falls for her and...

Ranvir (Saif Ali Khan) and Rajiv (Akshaye Khanna) are half brothers who own a huge stud farm in South Africa. Ranvir is a shrewd businessman while Rajiv is a wastrel who is also alcoholic. Ranvir's beautiful secretary Sophia (Katrina Kaif) is in love with him. But he is totally unaware of her. When Ranvir meets Shaina (Bipasha Basu), he falls in love with her. But Rajiv also falls for her and promises to give up alcohol if he married Shaina. Believing him, Ranvir gets the two married. But Ranvir is very upset when Rajiv does not change his ways. Shaina is also very unhappy in the marriage. One day, when Ranvir consoles Shaina, they cross the line and make love. But are things what they seem to be?