Gabi and Josh think their no-strings relationship means they can skip celebrating the day of love. But when they each are convinced the other bought a heartfelt gift, panic ensues. Confused about her situation with Josh, Gabi turns to her neighbor, the oft-married Ms. Wilson (special guest star Betty White), who reluctantly shares some advice. Meanwhile, Elliot and Alan have vastly different ideas about how to spend Valentine's Day, and Sofia and Yolanda team up for an anti-Valentine's Day celebration.
Gabi and Josh's efforts to dog-sit a lifestyle guru's pampered pooch go awry; Elliot attempts to deceive Sofia and Yolanda after his plans to procure VIP concert tickets fall through.
Josh's father Matt contacts his son for the first time asking to meet. When Josh refuses, assuming his father is only after his money, Gabi takes matters into her own hands. She arranges to meet Matt and discover his true motives, but as usual, things don't go as planned. Meanwhile, Yolanda is convinced she'll die at the same age as her mother, so she goes on a strict diet - but it's Elliot who may be at risk.
Josh tries to bond with his dad Matt, but they have trouble finding common ground. When Matt decides to head out of town again, Gabi intervenes and brings Matt to Josh's softball game in an effort to get them together. But Josh is filling in on Elliot's team in a gay softball league, so Matt gets the wrong idea about his son. When Matt goes out of his way to show his support, Josh is reluctant to tell the truth, wanting to hold on to his newfound relationship with his dad. Meanwhile, Yolanda recruits Sofia to help sell Squirrel Ranger cookies so they can win a cruise.
Sofia is thrilled when her boss gives her a used couch thinking it means she's on her way to a promotion. But Gabi hates the couch and sells it behind Sofia's back with the help of Josh's new app. When Sofia is more angry than Gabi anticipated, Gabi schemes to make things right again. Meanwhile, Elliot drags Yolanda to a weight-loss group where she reconnects with the Rabbi from Elliot and Alan's wedding. But he's scared to introduce Yolanda to his mother and admit that they're dating.
Gabi and Sofia are annoyed when they hear that high school frenemy Lizette is throwing a lavish destination wedding, with all expenses paid, for the wedding party. Desperately wanting a vacation, the girls scheme to get Lizette to make them bridesmaids. But Lizette only has room for one of them to be in the wedding. Meanwhile, feeling unappreciated by Josh, Elliot pretends that he's fielding a job offer from a multimillionaire.
Gabi is feeling down about her birthday, even after she discovers she and Ms. Wilson share their special day. When Gabi learns Ms. Wilson made a promise to meet a former boyfriend in Vegas, she decides a road trip to Sin City is the perfect way to get over her birthday blues. Meanwhile, Josh is desperate to figure out why Gabi is so upset about her birthday, and Yolanda and Elliot scheme to keep Gabi's forgotten birthday gifts.
Gabi and Josh's friends-with-benefits relationship is jeopardized when one of them meets someone else. Elliot battles with a squirrel he discovers in Josh's penthouse, only no one believes the squirrel is real. Meanwhile, Sofia uses Gabi and Josh's relationship drama as fodder for her first article at Clik'd.
Gabi is horrified when Josh doesn't remember her after a bump on the head, especially since he seems to remember everyone else - and he was about to tell her something important. When Josh thinks he and Gabi met right before his accident at her audition to be his chef, Gabi sets out to recreate their first meeting in the hopes of jogging his memory.
Gabi and Josh delight in their new status as an official couple, but – drawing parallels to 'Downton Abbey' – Elliot and Yolanda are worried about how their work lives will change now that Gabi is the "lady of the house." Trying to make things less awkward, Gabi asks Josh to spend more time at her apartment, but Josh is horrified when he learns how messy Gabi is.
Josh decides to set Sofia up with someone, in hopes she'll be less of a third wheel in his and Gabi's relationship. When Sofia hits it off with Josh's dentist, Gabi isn't so sure he's the right one for her friend. Meanwhile, Elliot turns to Yolanda for help in reigniting the spark between him and Alan.
Needing some "me" time, Josh fakes joining a swim club to get some space from Gabi and not hurt her feelings. When Gabi learns about Josh's ruse, she concocts an elaborate plan to get him to admit his lie. Meanwhile, Yolanda and Elliot scheme to meet their celebrity neighbor.
Gabi panics that her relationship with Josh is over when it seems that the spark has died - and that Josh may be getting his needs met elsewhere. Elliot and Yolanda go to extreme lengths to score coveted tickets to a Bruno Mars concert, and Sofia moonlights as a driver for a ride-share company.
When Gabi forgets Sofia's birthday, she plans a last minute girl's weekend to Mexico, leaving Josh behind while he undergoes Lasik eye surgery.
Gabi tries to smuggle Sofia's new beau out of Mexico and gets caught.
Gabi and Josh butt heads when Gabi is gifted a motorcycle and Josh won't allow her to ride it.
Gabi and Sofia now have boyfriends and everything is perfect, until they realize their boyfriends are always trying to one up each other.
Josh decides to finally reveal a deep secret to Gabi – he’s a magician. Sofia is terrified to introduce her stern grandmother to her boyfriend. Meanwhile, Yolanda’s pen pal is being released from prison, and wants to meet in person.
In the series finale, Josh takes the gang for a getaway on his new yacht, where Gabi hits it off with the yacht’s chef. Meanwhile, Sofia has a terrible misunderstanding about her boyfriend and Elliot and Alan meet a flirty steward.
