On the 1933-35 Antarctic Expedition. Reel 1, Adm. Byrd speaks and points to a map of Antarctica. Dogs, cows, and supplies are loaded aboard the Jacob Ruppert in Boston and she and the icebreaker Bear depart. Crewmen work, check dog harness, and bag coal. Maps route of ships. King Neptune rites are conducted as the ships cross the Equator. Shows ice, rough water, and pigs. Reel 2 shows the ships in a storm, the Antarctic coast, sick and howling dogs, ice floes, Adm. Byrd and others on the Ruppert, ice slides, an ice field, icebergs, the Bear, and a ship crushed in pressure ice. Maps Antarctic areas explored by plane. Reel 3 shows the Ruppert, the Ross barrier, Adm. Byrd and others on the Ross ice shelf, dogs with penguins and seals, a crevasse, dog sleds, men digging out Little America, a man dancing for penguins, and killer whales. Supplies and vehicles are unloaded. Reel 4 shows killer whales and, stormypetrel. Men rescue another from water, supplies are unloaded, dogs and tractors pull sleds, men shovel snow, dogs and a tractor fall into a crevasse, a plane takes off and crashes, dogs and men seek shelter, men dig out after a storm, and pups are dug from a snow bank. Shows the radio tower and a flag. Reel 5 shows dogs and pups, the Bear, a doctor operating, a seal and her young, penguins hatching eggs and boxing, men working, cows, a calf, men digging snow tunnels and building snow-hangars, a man feeding his dog, an autogiro crash, and snow tractors hauling dead seals. An injured pilot talks via CBS radio to his mother in N. Y. C. Reel 6, men enter a tunnel, feed dogs, load supplies on sleds, leave camp, set up a trail camp, cook, eat, cache supplies, melt snow for tea, attach sails to sleds, drill holes in ice, set off explosions, and raise a flag. Adm. Byrd and others study charts and maps. Maps areas explored. Shows bare coal seams and a wrecked plane. A snow tractor plunges into a chasm. Reel 7 mapsAntarctica. Snow tractors tow sleds, men wave and load supplies on a plane. Shows a trail camp at night. Byrd and others don flying gear, enter a plane, circle over L. A., and fly to advance base. Men construct a shelter, read instruments, and open food boxes. Byrd cooks pancakes and waves to men leaving advance base. Shows pages of the book "Discovery", the sun setting, and radio mast and radiomen in L.A. Men get food from snow tunnels, cook doughnuts, eat, and work. Reel 8, men eat, feed dogs, care for pups, make sleds, try harness on dogs, pack pemmican, study, make tents, pull teeth, take baths, listen to a radio, and perform for CBS. Shows cattle, storms, dogs eating snow, ice masks, L.A.'s science lab, and CBS hdqs. in N.Y.C. Byrd checks weather instruments in the advance base. Reel 9, men leave L.A. to rescue Byrd, carry torches, and operate radios. Shows Byrd's camp during a storm, stars, and the rescue team. Maps the rescue party route. A plane takes off, men gather around as Byrd deplanes in L.A., and a man sticks his head thru a trapdoor in the snow. Reel 10, pups are dug from snow and their mother carries them in her mouth. Adm. Byrd gets his hair cut, men ski, dogs bark at seals, the Bear nears L.A., supplies are loaded, penguins and men play, and the Bear passes whales. Pres. Roosevelt and others greet Byrd as he disembarks in Boston; FDR and Byrd speak.