Batman and Robin are called in to help an old friend recover stolen diamonds. The friend, Chalmers, lives in Alaska and made his fortune there; the diamonds, 49 of them, were out in star shapes and set in an "American flag" setting, to be presented to the Alaskan government to commemorate Alaska's being admitted to the Union. Chalmer's guard Atkins informs Batman that he was slugged from behind by three bandits. From fingerprints, Batman and Robin determine the thieves to be the Brady Brothers, notorious criminals. By canvassing bush pilots, they find that the three Bradys split up and were flown to different areas. They capture Will Brady in the Valley of 10,000 Smokes, a volcanic region; Bart Brady is taken near Kodiak Island; and Matt Brady is caught in the Eskimo territory of northern