S1, E1: On Ostional Beach in Costa Rica, an extraordinary event is unfolding. Tens of thousands of olive ridley turtles are arriving to lay millions of eggs. It is still unknown exactly how and why this astonishing event occurs, but a team of international scientists is beginning to uncover some secrets, using cutting edge technologies to learn more about these seafaring mothers and their young. See how this high-tech research is revolutionizing the way we study sea turtles and how it may help us better protect the next generation of olive ridleys.