Will (Eric McCormack) finds a 'substitute Grace' in Val (guest star Molly Shannon, NBC's 'Saturday Night Live'), a new neighbor who is available for plans with Will while Grace (Debra Messing) is consumed with work. As Will and Val continue to spend more time together, Grace fears that she has been replaced and fights with Val to regain Will's attention. Meanwhile, Jack (Sean Hayes) seeks support from Karen (Megan Mullally) after the court finds him guilty of slapping a meter maid and sentences him to pick up trash.
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