Synopsis: I Do (But I Don't) follows the misadventures of head-turning beauty Lauren Crandall (Richards), a talented young wedding consultant planning the nuptials for her most challenging client yet ? the rich and gorgeous "psycho-bride," Darla (Karen Cliche). When Lauren meets handsome fireman Nick Corina (Cain), sparks begin to fly... but a series of hilarious misunderstandings leave Lauren convinced that Nick is engaged to the dreadful Darla. An accomplished and normally skillful professional, Lauren finds herself torn between her duties as a wedding planner and her feelings for Nick. Can the two connect despite the chain of chaos and confusion?