Sea Tragedy

Printed in Crackajack Funnies #11, May 1939.
Myra North is on a vacation cruise off the west coast of South America. Also on the ship is a wealthy elderly lady and her person physician who recommended the voyage. When the Captain gets worried about the woman, he asks North to look in on her, an act which will put her in the way of a murderous plot by the doctor and an accomplice.