s ▁trouble ." ▁ ▁Bian ca ▁is ▁a ▁model ▁and ▁actress , ▁who ▁is ▁keen ▁to ▁get ▁the ▁lead ▁role ▁in ▁the ▁film ▁adaptation ▁of ▁Alan ▁Fish er ' s ▁( Sim on ▁B oss ell ) ▁ 1 9 8 9 ▁novel ▁On ▁the ▁C rest ▁of ▁a ▁W ave . ▁She ▁arriv es ▁in ▁Summer ▁Bay ▁ahead ▁of ▁film ing ▁and ▁be fri ends ▁J esse ▁McG reg or ▁( Ben ▁Un win ), ▁in ▁the ▁hope ▁of ▁gain ing ▁some ▁inside ▁information ▁about ▁the ▁role . ▁J esse ▁is ▁" bes otted " ▁by ▁Bian ca , ▁and ▁Un win ▁said ▁that ▁his ▁character ▁cannot ▁see ▁her ▁bad ▁side , ▁as ▁he ▁is ▁looking ▁for ▁a ▁partner ▁and ▁mother ▁figure ▁for ▁his ▁daughter . ▁The ▁film ' s ▁director ▁Roger ▁Land ow ne ▁( T ony ▁Bon ner ) ▁fires ▁Bian ca ▁and ▁rec asts ▁her ▁role . ▁She ▁immediately ▁breaks ▁up ▁with ▁J esse ▁and ▁leaves ▁the ▁Bay . ▁ ▁Sh a una ▁Brad ley ▁ ▁Sh a una ▁Brad ley , ▁played ▁by ▁K yl ie ▁Watson ▁made ▁her ▁first ▁screen ▁appearance ▁during ▁the ▁episode ▁broadcast ▁on ▁ 1 6 ▁August ▁ 1 9 9 9 ▁and ▁depart ed ▁in ▁July ▁ 2 0 0 2 . ▁In ▁February ▁ 1 9 9 9 , ▁shortly ▁after ▁she ▁had ▁moved ▁back ▁to ▁Can ber ra , ▁Watson ▁land ed ▁an ▁aud ition ▁for ▁Home ▁And ▁A way . ▁She ▁initially ▁decided ▁not ▁to ▁attend ▁the ▁aud ition ▁because