Duncan McAllister is marrying Elaina Tripoli tomorrow. Except-he's missing. Jordan, Noah, Griffin, Maggie, and Miles arrive in Greece for the festivities to find frantic messages from both the bride and groom. Noah and Griffin set off to find Duncan while Jordan, Maggie, and Miles try to salvage what should be a day of celebration before the wedding. But the Americans have their own baggage. Noah's got a surprise planned for Jordan that has to go...