It sounded like the perfect trip: biologist needed for an all-expenses paid trip to the Galapagos Islands. With only a few months left before she defends her PhD dissertation on whiptail lizards at the University of Texas, Joan Carter really needs an escape. The carefully constructed life she had made for herself was suddenly in shambles. Her long-time boyfriend had just left for South America, she hadn't been able to talk honestly with her father for years, and she was starting to have doubts about both the science she placed her faith in as well as the religion of her upbringing. But the voyage proves to be much more than a simple field expedition, as Joan quickly discovers. Forced to evaluate her goals, beliefs, and desires, she follows Darwin's voyage of discovery with one of her own.