It was fabulous living in Hawaii - the beautiful beaches and peaceful scenery - Ellen Tracy, freelance photographer, felt certain that life couldn't be better. And then her sister Rosemary arrived seeking refuge from what she believed to be her unfaithful husband. To lighten the mood, Ellen took her to Hilo where she was on assignment to photograph a volcano eruption. But disaster erupted as well when Rosemary suddenly disappeared. After searching the area and finding no trace of her sister, Ellen begins to worry. Rosemary may be in danger - might even be dead. How could she have just vanished. . . and where . . . and why? Did Rosemary plan this disappearance or has she been kidnapped? Ellen begins playing detective and discovers some murderous clues. And as soon as she starts following the leads - someone starts following her. It looks as if Ellen will be seeing her sister before long - and it's not a pretty picture! Can you solve the crime by finding the clues in the story, on the cover, and in the illustrations - before you cut open the final sealed chapter?