Conway Tearle is the stiff-upper lipped commander of a dirigible expedition that sets off on an arduous trip knowing that the wife he leaves behind "Miriam" (Virginia Valli) is in love with one of his colleagues "Tom" (Ricardo Cortez) and wants a divorce! Hardly an happy basis to start such a perilous mission, and when the winds and currents drive them to the frozen Antarctic their goose looks well and truly cooked (or frozen!). Can they survive these hostile climes long enough for rescue planes to arrive? Though there is some aerial photography, the vast majority of this story is relayed to us...