Two sisters support each other, while the older sister, Xiao Peng(who is deaf), attempts to become a swimmer for the Deaflympics, the younger sister, Yang Yang, stands nearby ready to support her in any way possible. A young man named Tian Kuo comes by delivering lunch boxes to the swimming team. He takes an interest in Yang Yang, and soon a relationship develops between the two. But when Yang Yang realizes she has been drifting away from older sister, she breaks off her relationship with Tian Kuo.