A thrilling underwater adventure based on true events. Master diver Frank McGuire leads a team-including his 17-year-old son-to explore the largest, most beautiful and least accessible cave system on Earth. But when a tropical storm cuts off their only escape route, the team must work together to find their way through an uncharted and dangerous underwater labyrinth to make it out alive. With time running out, can they survive, or will they be trapped...

Tells the story of Syracuse, a simple fisherman who catches a beautiful and mysterious woman in his trawler nets. The woman seems to be dead, but then she comes alive before Syracuse's eyes and he thinks he may be seeing things. However, with the help of his ailing yet irrepressible daughter, Annie, he comes to believe that the fantastical might be possible and that the woman (Ondine) might be a myth come true.