Grace's father and Will's mother end up making a surprising and upsetting connection. Jack rebounds from his breakup with a new love. Karen must decide between her husband and her lover.

Grace's accidental run-in with Noah, a curmudgeonly man she follows on Twitter, hints at a possible new love interest. Jack wants to look younger before meeting Estefan's family on Skype but makes a terrible first impression after overdoing the numbing cream before his facial procedure. Meanwhile, Will helps Karen protect the intellectual property rights of her most prized possession.

Will and Grace's plan to win over Will's new Columbia department head goes awry when he drops dead in their apartment - and they use his phone to text his full recommendation of Will. Karen and Estefan's dislike for each other puts Jack in full damage control mode when he must keep them separate at his birthday dinner.

Jack's insistence that Will be nicer to his fiancé, Estefan, backfires when Estefan thinks Will is in love with him. In a hurry to buy her boyfriend Noah a Valentine's Day gift, Grace unknowingly knocks over a prominent figure while going after a taxi. And when Karen discovers that Noah not only writes her favorite romance novels but also plans to kill off the main character, she forces him to rewrite the story.

Jack realizes he lost 13 gold coins he's supposed to give Estefan at their wedding to avoid a curse. Will is concerned that Grace is the only one compromising in her relationship with Noah. Karen shows up at a dinner party with her new date, Nikki.

Jack and Estefan's wedding takes a detour when they're forced to get married at the airport by their friend Miss Coco. Will's worried his relationship may turn long-distance. Grace meets a charming guy. Karen reconsiders her commitment to Nikki.

Grace returns from her European travels a new woman, but her elation is short-lived when she receives life-changing news. Karen teaches Will how to be better at phone sex. Jack has a yard sale to discreetly get rid of Estefan's annoying cuckoo clock.

Grace and her neighbor, James give their romance another shot – even after she slept with his son and his father. But an embarrassing incident puts Grace’s relationship, and her dignity, in jeopardy. Will decides it’s time for Jack to grow up, and cuts him off financially. But unlikely wisdom from Jack’s husband, Estefan, makes Will reconsider.

Will and Grace decide to intervene when they discover Grace’s niece is dating a bisexual man. Jack gets permission from his husband, Estefan, to sleep with his celebrity hall pass, Ryan Phillippe. Karen struggles to adapt when her assistant, Friday, books them on an economy flight.

Worried about Grace being a single mother, Marilyn goes behind Grace’s back to fix her up with a beagle-breeding couple interested in adopting Grace’s baby. Will gets enlisted by Karen to deal with a P.R. nightmare created by a homophobic player on her baseball team. Jack and his husband, Estefan, go to extreme lengths to get rid of a mouse.

Karen introduces Will and Grace to the new love of her life, Phil. But Will and Grace become increasingly suspicious that Phil has sinister intentions for their friend. When Miss Coco Peru tells Jack that he's closing down his bar for good, Estefan encourages Jack to become its new owner.

Will is determined to not reminisce about his life in the city or his ex. Grace has false alarms of going into labor. Karen attempts to get closure with her ex-husband. Jack's dream of taking a bow on a Broadway stage becomes a very real possibility.