' s ▁daughter , ▁the ▁proph et ▁Cass andra , ▁den oun ces ▁the ▁T ARD IS ▁as ▁dangerous ▁– ▁she ▁has ▁dream t ▁that ▁the ▁Gree ks ▁will ▁leave ▁a ▁gift ▁on ▁the ▁plain ▁which ▁will ▁contain ▁soldiers ▁to ▁attack ▁the ▁Tro j ans . ▁She ▁dem ands ▁that ▁the ▁T ARD IS ▁be ▁bur nt . ▁A ▁py re ▁is ▁constructed , ▁but ▁before ▁the ▁fire ▁is ▁lit , ▁V icki ▁emer ges ▁from ▁the ▁T ARD IS , ▁which ▁is ▁taken ▁as ▁a ▁sign ▁from ▁the ▁gods . ▁She ▁is ▁renamed ▁C ress ida ▁and ▁made ▁a ▁favour ite ▁at ▁court . ▁This ▁en rages ▁Cass andra , ▁who ▁bel ieves ▁V icki ▁to ▁be ▁a ▁rival ▁proph et , ▁although ▁her ▁hand ma iden ▁Kat arina ▁def ends ▁V icki . ▁ ▁Pri am ▁sends ▁Paris ▁out ▁to ▁a ven ge ▁his ▁brother ▁H ector . ▁Paris ▁calls ▁for ▁his ▁rival ▁Ach illes ▁to ▁present ▁himself , ▁but ▁Steven ▁persu ades ▁the ▁Gree ks ▁to ▁send ▁him ▁in ▁Greek ▁arm our ▁instead , ▁hoping ▁to ▁be ▁taken ▁prisoner ▁so ▁he ▁can ▁search ▁for ▁V icki . ▁A do pt ing ▁the ▁identity ▁Di om edes , ▁Steven ▁eng ages ▁Paris ▁in ▁battle ▁and ▁his ▁r use ▁works . ▁When ▁he ▁arriv es , ▁however , ▁V icki ▁gre ets ▁him ▁with ▁his ▁real ▁name , ▁which ▁Cass andra ▁sees ▁as ▁a ▁sign ▁they ▁are ▁both ▁sp ies . ▁Steven ▁and ▁V icki ▁are ▁taken ▁to ▁cells . ▁Pri am