sentences:  The submarine is sent to investigate, with Towers (Armand Assante), Australian scientist Julian Osborne (Bryan Brown), and Australian liaison officer Peter Holmes (Grant Bowler) on board.En route, the submarine surfaces in San Francisco, where the Golden Gate Bridge has collapsed and the city shoreline is in ruins.A crew member who is from San Francisco abandons ship, planning on dying in his home city, and is left by his shipmates after it is argued that the length of time he has spent outside has already made him irreversibly sick with radiation poisoning.