The boy Wang Yunwu was rescued by the lifeguard Wang Dahe because he was mistakenly thought to be drowning. When the two bodies collided, the long-suppressed and deep-seated desires in his heart were also stirred up with the waves; he curiously tried to explore the other party, but misunderstandings occurred in the process. He felt conflicted and troubled about this, but it was also like he was seeing himself again step by step.