Aurelio inherited the wedding-planner trade from his father: he runs the family business, "The Most Beautiful Day," and all his life he has sacrificed his dreams in the name of a mission: to give happiness. Today, however, complicit with the crisis and a divorce behind him, he feels the need for a radical change. He is in love with Serena, an associate of his, and with her he dreams of starting a new life, dropping everything to sail the oceans. Before he can taste freedom, however, Aurelio must resolve two no small matters: selling "The Most Beautiful Day" and convincing Serena to divorce Giorgio, who has been Aurelio's fraternal friend since high school.
San Francisco's premiere wedding planner, Mary Fiore is rescued from an accident by the man of her dreams, pediatrician Steve Edison, only to find he is the fiancé of her latest client. As Mary continues making their wedding arrangements, she and Steve are put into a string of uncomfortable situations that force them to face their mutual attraction.
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.
Max is a battle-weary veteran of the wedding-planning racket. His latest — and last — gig is a hell of a fête, involving stuffy period costumes for the caterers, a vain, hyper- sensitive singer who thinks he's a Gallic James Brown, and a morose, micromanaging groom determined to make Max's night as miserable as possible. But what makes the affair too bitter to endure is that Max's colleague and ostensible girlfriend, Joisette, seems to have written him off, coolly going about her professional duties while openly flirting with a much younger server. It's going to be a very long night… especially once the groom's aerial serenade gets underway.
A successful wedding planner is trying to make dreams come true for brides by organizing fairy tale weddings. But when she is paired with a financial advisor at a wedding expo, she soon realizes that he is giving the exact opposite advice to their audience by telling them to save their money. When they are forced to spend a lot of time together, they find out that they have more in common than they think.