A series of crises on Mitch and Cam's wedding day put Pepper to the test; Phil gets an eye procedure before the celebration; Claire embraces the role of best woman.
Claire takes a first class seat on a flight, leaving Phil in coach; Gloria makes Jay teach Manny how to defend himself; Mitch, Cam and their friends throw Sal a belated baby shower.
Chaos forces Mitch and Cam to move from one contingency plan to another, but an unexpected turn of events allows the day to move forward.
Jay and Manny oppose Gloria's decision to hire a male nanny; Phil and Jay try to cheer up Frank; Mitch and Cam ask Pepper to help plan their wedding.
Jay's friend Shorty visits from Costa Rica but spends more time with Gloria than Jay; Alex decides to prove to Claire that her relationship with Ben is a sexual one.