When a new spa in town has its grand opening, Nancy gets tickets for herself and her best friends, George and Bess, to attend. However, it appears someone is tampering with the food and stinking up the business. Nancy is determined to sniff it out.

"When his asthma lands him at a health resort in the wilds of Gilded Age South Florida, twelve-year-old Algie Emsworth is over the moon. The scientific treasure trove of unexplored swamps may launch his dream career as a naturalist. But even Algie is startled when he happens upon a brand-new species and her brood in the karst springs surrounding the resort. Algie quickly realizes he must keep his discovery a secret: a famous collector of exotic animals...