▁the ▁Can ter bury ▁T ales ▁series ▁in ▁which ▁she ▁featured , ▁with ▁Hero ▁now ▁being ▁a ▁weather ▁present er ▁in ▁a ▁television ▁station . ▁ ▁Pi per ▁completed ▁work ▁on ▁two ▁stand - alone ▁television ▁produ ctions . ▁In ▁the ▁first , ▁a ▁BBC ▁adaptation ▁of ▁Philip ▁P ull man ' s ▁historical ▁novel ▁The ▁Ruby ▁in ▁the ▁Sm oke ▁which ▁was ▁broadcast ▁in ▁December ▁ 2 0 0 6 , ▁she ▁played ▁protagon ist ▁S ally ▁Lock hart , ▁a ▁Victor ian ▁or phan . ▁The ▁BBC ▁planned ▁to ▁film ▁all ▁four ▁of ▁P ull man ' s ▁S ally ▁Lock hart ▁nov els , ▁with ▁Pi per ▁continu ing ▁in ▁the ▁role ▁in ▁The ▁Sh adow ▁in ▁the ▁North , ▁which ▁was ▁shown ▁in ▁December ▁ 2 0 0 7 . ▁Pi per ▁made ▁her ▁stage ▁debut ▁in ▁a ▁tour ing ▁production ▁of ▁Christopher ▁Ham pton ' s ▁play ▁Tre ats , ▁which ▁opened ▁in ▁early ▁ 2 0 0 7 ▁in ▁W inds or , ▁Ber k shire . ▁Tre ats ▁was ▁to ▁have ▁ended ▁its ▁tour ▁in ▁the ▁West ▁End , ▁at ▁the ▁G arr ick ▁Theatre , ▁starting ▁in ▁February ▁ 2 0 0 7 ▁with ▁pre views . ▁The ▁play ▁officially ▁closed ▁in ▁May . ▁ ▁In ▁ 2 0 0 7 , ▁Pi per ▁appeared ▁as ▁F anny ▁Price ▁in ▁an ▁adaptation ▁of ▁Jane ▁Aust en ' s ▁novel ▁Mans field ▁Park , ▁screen ed ▁on ▁I TV 1 . ▁This ▁was ▁her ▁first ▁acting