Sixteen months after Hurricane Katrina hit the Gulf Coast, many of the 8,000 rescued pets remain in shelters, their owners unknown or unreachable. Rocky was one of those animals, until the work of a dedicated group of people led to a heartwarming reunion.

The story of Rocky's remarkable odyssey first came to CNN from software company president, Eric Mirell. Conversations with rescue volunteer Christiane Biagi filled in the details. They and a microchip all played a significant role this tale.