 Recognised by the reporters, Jean and Snapper, Boroff runs and kills the pursuing coast guard Ensign Jim Kent, who turns to be Lt Terry Kent's brother.As the gas is made from the rare substances "Arnatite" (which is radioactive) and "Zanzoid", Boroff attempts to acquire more of these materials to create more (including salvaging supplies of arnatite from the sunken Carfax).Hot on his heels are the Coast guard, led by Lt Kent, and the two reporters, with the expert aid of Jean's chemist brother, Dick.