pt u ▁shore ▁leave ▁by ▁" F le et ▁Elect rical ▁Engine er " ▁H ess . ▁ ▁Wh ilst ▁there , ▁he ▁starts ▁to ▁enter ▁into ▁a ▁relationship ▁with ▁Susan ▁before ▁encounter ing ▁Vol ovo i ▁in ▁a ▁nearby ▁dwell ing . ▁Vol ovo i ▁threat ens ▁him ▁but ▁is ▁killed ▁by ▁a ▁dis gr unt led ▁Kar p , ▁who ▁then ▁lo cks ▁Ark ady ▁in ▁and ▁sets ▁the ▁building ▁on ▁fire . ▁The ▁investig ator ▁man ages ▁to ▁escape ▁and ▁" acc ident ally " ▁falls ▁into ▁the ▁water ▁to ▁was h ▁off ▁any ▁inc rimin ating ▁od ors . ▁Question s ▁are ▁raised , ▁but ▁nothing ▁is ▁decided . ▁Ark ady ▁has ▁no ▁evidence ▁against ▁Kar p ▁and , ▁having ▁already ▁surv ived ▁an ▁attempt ▁on ▁his ▁life , ▁fear s ▁he ▁will ▁be ▁attacked ▁again . ▁Enter ing ▁the ▁ icy ▁North , ▁the ▁American ▁tra w ler ▁free zes ▁into ▁the ▁ice ▁whilst ▁trailing ▁the ▁Pol ar ▁Star . ▁Ark ady ▁lear ns ▁of ▁Kar p ' s ▁relationship ▁with ▁Z ina ▁and ▁her ▁attempts ▁to ▁defect ▁ab o ard ▁the ▁American ▁ship , ▁as ▁well ▁the ▁secret ▁sp y ▁cable ▁running ▁under ne ath ▁the ▁vessel ▁that ▁is ▁operated ▁by ▁H ess . ▁Ark ady ▁vent ures ▁out ▁into ▁the ▁ice ▁towards ▁the ▁American ▁ship , ▁and ▁Kar p ▁cas ually ▁follows ▁and ▁eventually ▁catch es ▁up ▁with ▁him . ▁On ▁board ▁they ▁find ▁evidence ▁that ▁Z ina ▁was ▁killed ▁and ▁st owed ▁on ▁board ▁in