Father and daughter - one of life's most beautiful relationships. Happy moments, treasured memories, sworn secrets, shared sorrows - right from the arrival of the little princess to the time she moves to her own kingdom... and even more. But what of the father's greatest fear - the man in his daughter's life ? Who is to draw the line between care and over protection ? 

Dr. Malhotra (Amitabh Bachchan) believes he is simply a protective parent while his daughter Ria (Bipasha Basu) beleives he's simply possessive. All is well till Aryan (John Abraham) walks in thier life. Aryan - the epitome of all the values that Ria's father abhors, wild, unpredictable, overpowering, obsessive.  But he is just what Ria's been waiting for - intriguing, magnetic and sensitive.

Aryan has only one mission in life - being in love with Ria. Nothing else matters.  Soon begins  a war of ideologies, desires, wits. How far can Dr. Malhotra go to convince his only child taht she's headed towards disaster ? Can he save his family ?