George Banks is an ordinary, middle-class man whose 22 year-old daughter Annie has decided to marry a man from an upper-class family, but George can't think of what life would be like without his daughter. His wife tries to make him happy for Annie, but when the wedding takes place at their home and a foreign wedding planner takes over the ceremony, he becomes slightly insane.

Mary Fiore is the wedding planner. She's ambitious, hard-working, extremely organized, and she knows exactly what to do and say to make any wedding a spectacular event. Bt when Mary falls (literally) for a handsome doctor her busy yet uncomplicated life is turned upside down - he's the groom in the biggest wedding of her career! Will she help him walk down the aisle with his internet tycoon girlfriend, or will Mary finally get to be the bride herself? When it comes to love, you can never plan what's going to happen.