The documentary follows the unraveling, over 4 decades, of the challenging mystery of where Loggerhead sea turtle hatchlings disappeared to. From their birth on the coast of Queensland, Australia, where did they go and for how long? Renowned turtle expert Dr. Col Limpus grew up close to Loggerhead birth beaches at the significant nesting site of Mon Repos. He has spent a great deal of his professional life in turtle research. Bit by bit, he has put together the pieces to this scientific puzzle.