MJ and Tommy struggle to convince Vida to give them her blessing before getting married. Reza launches his haircare business – with or without Adam's approval. 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 own true feelings about marriage and contemplate 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, but only after they've spoken with Mercedes' opinionated mother Vida. Reza, joined by his husband Adam, recounts the challenging hurdles that led them to the brink of divorce. Mike finds himself on the defense after talk of his most recent failed relationship leads Destiney and Nema to question his treatment of women. When the group confronts Golnesa about her excessive smoking, it becomes too much for their impulsive friend.