March 1923
In their next adventure, the sky is the limit for Hettie and Ro.
The effort to grow their new textile business requires they journey to many exotic locations. The first stop on their trip: Costa Rica. Determined to find rest and relaxation amid a bit of adventure in the tropical rain forests and volcanos of Central America, they’ve chartered their own hot air balloon tour. Given their luck with autos, motorcycles, yachts, and trains, they’ve decided Fate must only have their good fortune in mind going forward.
When the body of one of the aeronauts turns up in bizarre circumstances ,the desperate duo decide to view the crime scene from the air. Pushing the limits of their safety and their friendship, they face their fears in order to catch a criminal and prevent more deaths in this country that has come to mean so much to them.