简介：InSummer2005,amysterioussubmarineisdiscoveredoffthecoastofItalyat120metresdeep.ForLorenzodelVeneziano,anunderwatermarinearcheologist,itisanamazingsight.Thesubmarineisintact!Itstandsalmostverticallyatthebottomofthesea,it'shullstuckinthesediment.Whatisthestoryofthisship,whyisithere? ByuncoveringthemysteryofitsoriginswewillretracetheincrediblestoryofU-455,aGermanwarshipthatfoughteverymarinebattleagainsttheAllies,fromtheBalticSea,totheAtlanticandthenfinallytheMediterraneanwhereitnowrests.Anextraordinaryunderwateradventureandanambitioushistoricalinvestigation.…