Plot: ARIEL'S COMEBACK; Ariel Faber (Tracey Ullman), an anorexic, formerly bisexual folk singer and ex-junkie, tries a comeback into the public eye and captures the attention of Duane Mason (Sam McMurray), a fireman who proposes marriage in exchange for her to give up her singing career. DANCE CHALLENGE; On a sing-and-dance contest show, the flashy Latino dancer Blanca Valaday (Tracey Ullman), faces a real challenge when she tries to do her dance routine knowing that she is not wearing underwear under her dress