Printed in Super-Mystery Comics V1 #6, February 1941, with 10 color pages.
When a radio message from a missing aviatrix, Ellen Gail, is received at Q-13's HQ in Washington alerting them that she was being "held prisoner by foreign spies in an Eskimo village in Alaska", Q-13 is summoned immediately and dispatched to rescue her and find what else the spies are up to.