 Nub dreads the arrival of his mother, opera diva Laetitia Barton. Brian Brewster and Boris get everyone on Hope Island to pretend that Nub is the mayor to impress Laetitia. Callie persuades Daniel, who is quarantined at home with the measles, to collaborate on an article with Father Mac. Alex is thrilled when Marcus tells her that Dylan is gifted, until she learns she may have to leave Hope Island for her son to attend a special school on the mainland.