As the town's annual lantern festival nears, Trace and each of the O'Briens attempt to put their own challenges aside so four generations of O'Briens can come together for the lantern festival.
Jess and David's wedding is here, but the O'Brien family still has a lot to face before the celebration. Abby and Evan get into an argument over his hotel, threatening the entire project.
Elizabeth and Nathan's date night unexpectedly leads to an undercover operation at a glamorous party. Lucas and Edie grow closer over cards. Rosemary holds auditions for a play.