Despite all the warnings from his salty constituents—and that perilous night he just endured at the local historic inn—Mayor Tom Loftis (Matthew Rhys) has succeeded in making Widow’s Bay a newly popular tourist attraction. He’s thrilled! Things are looking up! So why won’t the cursed island stop throwing weird new worries in his path? This week, “ The Inaugural Swim ” introduced Widow’s Bay viewers to a quaint tradition in the seaside town, as well as another of its fearsome legends come to life . You’d think being chased through a crawl space by the ghost of a killer clown would’ve made Tom pull the plug on his tourism push. But he’s happy as can be seeing all the new faces milling around downtown, and his mood brightens even more when he spots Marissa (Elizabeth Alderfer), a pretty visitor using the map in the brochure Tom created to find her way around the island. Or trying to, anyway.…