简介：Someunknownmaniacisthreateninganavigationcompanytoblowuponeofitsluxurytransatlantics,the"Britannic",nowinhighseawithonethousandtwohundredpassengers.Heisaskingforafivehundredthousandpoundsterlingransom,otherwisethesevenbombsaboardwillexplode.Anexperiencedanti-bombsquadissenttothe"Britannic",butalthoughallthebombsarelocated,averyhighskilllevelwillbenecessarytodismantlethem.Perhapsthattaskisimpossible.…