Luella, a girl obsessed with life in the ocean, is in search of a rare purple fish. She sets her sights on a distant island and enters the water. It’s hard to swim against the waves, however, and her confidence falters. 　　When she reaches the island, she wastes no time in diving down, as she is sure the fish must be nearby. However, as her lungs start to fail her, Luella wonders ... (展開全部)