Joe and Helen volunteer to babysit their friends young daughter, Emily. But it's far from the learning experience that they'd hoped. First Helen refuses to give her anything with taste to eat and then then Emily gets sick with a tummy ache they rush her to the ER, only to discover it's an upset stomach. Meanwhile, Casey gets a big time Hollywood star to come to the island to due her Nantucket Tourism commercial. But unfortunately for Casey, Deke is gay and he responds more to Antonio's adoration than hers. Lastly asking Antonio if he has some time during the summer if he'd like to come out to L.A.