When news arrives that Sandy Cooper is returning to Nantucket, Joe fears her high school obsession with him will return but the others think he's imagining things. Meanwhile, Antonio tries to raise money to send to his family and Roy is worried about a visit from his cranky mother.

When Sandy Cooper returns to the island,Joe fears yet another bizarre encounter with the obsesses woman.She tells him it was all a practical joke,and he believes her until a stop at Helen's house becomes Sandy and Joe's wedding day.

Meanwhile,Fay forces the old 70's wardrobe,of one of her dead husbands,onto Antonio and he wears to make her feel better, despite hating it.Also Lowell tries life as a vegetarian.

Sandy's return sends Joe to the psychologist, as no one believes his stories of her obsession with him. The psychologist does wonders to calm Joe down, but the real psycho is revealed when Joe meets Sandy in the vacant psychologist's office.

Meanwhile, Roy, Antonio, Fay and Casey try to deal with the news they may have suffered food poisoning from Helen's tuna.