Hikaru Manages To Maneuver The Submarine To The Location Where The Dragon Ball Is General Blue Plans To Tail Zero While Another Squad Heads To Zero House Despite Their Searching Zero Group Do Not Find The Dragon Ball On The Ocean Meanwhile General Blue Prepares And Launches All His Forces As Hikaru Drives The Sub Into A Cave General Blue Submarines Tail And Attack Them Hikaru Makes It To Narrower Caves But General Blue Sends His Mini-Subs To Pursue Them