October24,1944,theworld'sgreatestbattleatseabeginsinthePhilippines.Japan'snavygamblesonadecisivevictoryagainsttheUnitedStatestoturnthetideofWorldWarII.InsteadMusashi,itstopsecretsuperbattleship,endsupatthebottomoftheocean.Howdidthisunsinkablegiantgodownsofast?WasitoverwhelmingAmericanairpower?Orafataldesignflaw?NowAmericandeepseaexplorersandJapanesemilitaryexpertsaredeterminedtosolvethis70-yearoldmystery.ButfirsttheymustfindthemissingMusashi.