电影Season 3 follo ws the fort unes of a youn g U-boat crew as they enga ge in the Battle of the Atlantic, are hunte d down by an obs essed Royal Navy Command er (Ray S tevenson) and are sent o n a dan gerous mission to the Souther n Hemisphe re. Toget her they form s trong pers onal allianc es under the co mmand of Robert Ehre nberg (Fra nz Dinda) . And yet Ehren berg& ;#39;s thought s remain in K iel, w here he h as develope d feelings f or Greta (E lisa Schlott ). The young mother is ma rried to a man who is seriously injured and s ufferin g from war n eurosis . Also in Kiel , Wilhelm Ho ffmann& ;#39;s dau ghter Hannie (L uise Wolfram) is trap ped in a loveless marriage to Commander Al brecht Less ing (Fl orian Panzner ), a bitter, emotionally di stant ma n. Hanni e suffers u nder the tight cons traints of he r status and the social expectations that go with i t. When s he meet s the charm ing subma rine comm ander Schulz (Pierre Kiwi tt), she i s playi ng with fire . Meanwhile in the exot ic climes of ne utral Li sbon where th e exiles, spi es and cr iminals of E urope rub sho ulders wi th each other and thei r enemi es, Hagen Fo rster (Tom Wla schiha) discove rs a let hal plot to ste al a fortune in plundered war time gold. Th ese discoveries and aspects o f his own hi story deriving from dark e xperience s on th e Eastern fron t, lead him to question hi s own actions and moral path. They also lead him to a shadow y figur e caught up in a conspi racy that might chang e the course of the War - fo r the b etter. That m an, very mu ch changed by his own s hatteri ng expe riences, is Klaus Hoff mann (Rick Okon). T hese two hist orically base d strands come t ogether i n an unexpe cted, thri lling finale. ！