When two sisters wander the shore on their family beach outing, they discover a gigantic seed pod large enough to hold them afloat. Unable to resist, they climb aboard, and are swept across the ocean to a mysterious island. As they explore, their vessel is carried back out to sea. Curiosity has led them far from home and only an act of daring and resourcefulness will bring them back. This wordless adventure leads the audience through a richly imagined land packed with spectacular flowers and foliage.