▁the ▁tempt ation ▁of ▁time ▁trav elling ▁and ▁res umes ▁her ▁tri ps ▁with ▁the ▁Doctor ▁without ▁telling ▁D anny . ▁Her ▁de ception ▁is ▁exposed ▁in ▁" In ▁the ▁Forest ▁of ▁the ▁Night ", ▁when ▁Clara , ▁D anny ▁and ▁a ▁group ▁of ▁special ▁needs ▁students ▁become ▁str and ed ▁in ▁an ▁over g rown ▁central ▁London ▁and ▁are ▁forced ▁to ▁call ▁on ▁the ▁Doctor ▁for ▁help . ▁While ▁inside ▁the ▁T ARD IS , ▁D anny ▁disco vers ▁a ▁p ile ▁of ▁recent ▁student ▁papers ▁Clara ▁has ▁been ▁mark ing , ▁prov ing ▁she ▁is ▁in ▁regular ▁contact ▁with ▁the ▁Doctor . ▁He ▁is ▁unh appy ▁with ▁her ▁d ish on esty , ▁and ▁this ▁creates ▁a ▁stra in ▁on ▁their ▁relationship . ▁ ▁Clara ▁dec ides ▁to ▁declare ▁her ▁un ending ▁love ▁for ▁D anny ▁in ▁" D ark ▁Water ", ▁but ▁her ▁phone ▁call ▁to ▁him ▁is ▁cut ▁short ▁when ▁D anny ▁is ▁hit ▁by ▁a ▁car . ▁She ▁is ▁dev ast ated ▁when ▁he ▁dies ▁of ▁his ▁inj uries , ▁but ▁D anny ' s ▁conscious ness ▁is ▁brought ▁to ▁the ▁N eth ers phere , ▁an ▁artificial ▁after life ▁created ▁by ▁Miss y ▁( Mich elle ▁G ome z ), ▁a ▁female ▁version ▁of ▁the ▁long - standing ▁Doctor ▁Who ▁villa in ▁the ▁Master . ▁D anny ' s ▁past ▁is ▁expl ored ▁when ▁he ▁is ▁confront ed ▁with ▁a ▁young ▁boy ▁he ▁killed ▁while ▁serving ▁in ▁Afghan istan . ▁U ps et ▁over ▁this ▁and ▁Clara