Joyce Reid a wealthy young debutante stows away on a cargo ship to China carrying as passengers her dashing aviator sweetheart Dan Bailey and and her munitionsproducing father E J Reid and an assortment of the usual southseas characters along with some Asians with varying agendas The cargo included a shipment of bombs and machine guns She soon finds herself being held hostage and they will free her only if Dan agrees to pilot a bombing plane for some Chinese bandits