A WILL OF THEIR OWN -- BLYTHE DANNER GUEST STARS -- After a near-death experience in a jean boutique, Grace decides to write her will and enlists Will's (Eric McCormack) legal expertise. To make sure she's fair when bequeathing her money, Grace visits Will's mother (guest star Blythe Danner) to find out how much Will plans to leave her and is shocked by what she finds. Thanks to Grace, Will also takes a look at his life and decides it's time to make a life altering career move. Meanwhile, Jack and Karen find an imposter teaching Jack's McFarland Method of acting. Realizing he needs new material to get back into teaching, Jack changes his method to win back his students.