Mike is single and ready to mingle with new crush Mona; Nema only has eyes for GG, who is still in the middle of a contentious divorce; the Shahs make a group trip to the mountains, where they work to maintain their balance on the slopes.

At the end of a fun-filled vacation, Reza and MJ make an exciting announcement that incites an argument amongst the group. Back in LA, new homeowner Mike has a reluctant but hardworking project manager in Reza, who is slowly becoming irritated with Mike's reliance on him. MJ plans a Valentine’s Day party, but her hopes for a love-fest are dashed as the night ends with a dramatic showdown. Nema, on the other hand, is in the midst of a relationship crisis and realizes he needs to come clean.

MJ rides an emotional roller coaster as she deals with the fallout from the Valentine's Day party, as well as her dad's declining health. Nema comes clean to his live-in girlfriend about his flirtation with GG and faces the consequences. Reza, whose husband Adam has been not-so-subtly hinting about having a baby for over a year now, considers an investment opportunity that would likely push the baby plans back. Meanwhile, Destiney begins to dip her toes back into the dating pool.

After the tragic loss of her father, the Shahs rally around MJ as she tries to maintain her stability while continuing to plan her wedding. Nema is put in an awkward position when his crush GG and his ex-girlfriend, who he still has feelings for, come face-to-face at his sister Mona's birthday party. GG takes the next steps in her divorce from her estranged husband, in the hopes of moving forward.

As she prepares for her Bridal Bath in Palm Springs, Calif., MJ continues to deal with the loss of her father and becomes frustrated with Tommy's lack of participation in planning their wedding; Reza invests a large sum of money into his business.

The Shahs ring in Nowruz with food, fun and plenty of drama; Mike chooses not to invite his girlfriend to the festivities; Reza tries to tell Adam about his costly investment; GG attempts to take the next steps in her divorce proceedings.

Hoping to get to the root of her issues with men, Destiney hires a private detective to find her father; Reza confronts his own daddy issues and realizes he may not be ready for children; Mike moves forward with his relationship with Morgan.

The Shahs take Las Vegas by storm for MJ's last trip as a single woman; GG's progress with Shalom regresses; Mike's relationship with Morgan takes a hit, sending him into a spiral that tests more than one of his relationships within the crew.

After a fun night of clubbing in Vegas, the group wakes up and makes a shocking discovery about Mike. When he is confronted, chaos ensues and tensions come to a head. Once back in LA, MJ's wedding preparations continue with her first dress fitting. GG takes her weed business to the next level with help from Nema.

MJ and Tommy take the final steps in prepping for their wedding. GG throws the official launch party for WüSah with Nema’s guidance but is unsure if it will spark the attention she wants. Mike continues on his path toward self-improvement with a little help from his father. Reza and MJ say goodbye to Shams.

MJ feels the pressure of finalizing her wedding, planning for a baby and managing her mother, Vida; Mike and Reza bond over Mike's investment; GG takes steps to filing divorce paperwork; Destiney gets help on her rocky road to finding her father.

MJ and Tommy struggle to convince Vida to give them her blessing before getting married; Reza launches his hair care business; Nema develops his Persian "street cred;" MJ takes an ill-advised detour on the way to the altar.

MJ's wedding unfolds in typical MJ fashion, sprinkled with chaos and complications; as the bride attempts to make it down the aisle in one piece, the Shahs are forced to confront their feelings about marriage while contemplating their futures.

As the reunion kicks off, the Shahs waste no time shaking things up. Newlyweds Mercedes and husband Tommy have life-changing news to share with their friends.

The dramatic sit-down continues as the group recounts a series of exhilarating highs and challenging lows. Destiney reexamines the emotionally-draining search for her father and shares what she found out about him. Nema and Golnesa come clean about just how far their flirtatious encounters went, while Mike and Reza deal with the remnants of their fallout in Las Vegas. Mercedes, with Vida and Tommy by her side, divulges secrets about her wedding and their hopes for the future.