Ranbeer Talwar (Saif Ali Khan), one of the country's top industrialists, is a loner, not out of his free will but just because he lost everyone, he ever loved. Life turns around 360 degrees when he faces the most uncomfortable situation of his life. In a very unusual court verdict, he is to look after four orphan children.
Unfortunately, the orphans hate him and want revenge from him for some reason and Ranbeer cannot meet their eye for certain reasons. The children do not want to live with a man they hate and they go ahead to make it quite evident. Their life together is very unhappy, one day they pray to God for help, and he does help them. He sends his most mischievous, childlike, lovable angle to the rescue, with a mission to bring Ranbeer and the kids together.
Geeta (Rani Mukherjee) comes cycling down a rainbow... and bursts into Ranbeer's house as the self-proclaimed new nanny. And then starts the roller coaster ride of fun, emotions, magic and love.
An angel who doesn't know what love is, A man who always lost love, 4 orphans who need love all come together to bring you a film with fun, excitement, masti, tears, magic and love truly...