Casey learns her job with the Tourism Board is hanging by a thread. But her boss informs her that he's going to give one of her ideas the go ahead and that is to get Nantucket a sister city. She finds one and the head, a Prince is coming with his wife to make it official. One of Brian's passengers, a woman comes on to him. The next day the Prince arrives and meets Casey. She asks where's the Princess and he says she came in the day before. When she arrives at the airfield to meet the Prince, Brian says she's the one he hooked up with. He then tells Casey about it and that he won't attend the party which he was suppose to go with Casey. But the princess insists he come. So Casey tries to make sure nothing happens till the bond between them is finalized. And Joe is bothered when guys flirt with Helen and she doesn't discourage it.