正在同步电影信息
In1931,Britain'smostadvancedsubmarinecollidedwithacargoshipoffthecoastofChinaandsank.Threehourslater,sixsailorssurfaced,barelyconscious.Theywerethefirstmenevertoescapefromasunkensubmarineusingaproto-scubadevice.Theirstoryhitheadlinesandwentontoinspireafeaturefilm.Themiraculousescapechangedmarinesafetyforever.Buttheirnames,andtheirsubmarine,graduallysankintoobscurity.Beijing-basedjournalistandscubainstructorStevenSchwankertwaslookingfornearbywreckstodivewhenhefoundHMSPoseidononalistofunexploredsites.Hisfive-yearsearchforthesubmarinebecameaprivateobsessionthatwouldchallengeofficialaccountsoftheescape,andrevealasecrethistory.
