Mei hates springtime. Why? Because it's only in the spring that Nian, a fierce dragon, is able to leave his mountain prison under the sea to terrorize the local village. When the villagers hear the rumblings of Nian's hungry stomach, they know that winter has ended and spring is coming. But this year on the night before the first day of spring, a magical warrior visits Mei in her dreams. He tells Mei that it is her destiny to face and defeat Nian....