Purple beach, the morning sun rises like stars falling into the world. Zi Heng sets foot on this mysterious land in search of lost childhood memories. Ancient riddles flow among the sand grains, and the gentleness of light and shadow is hidden in the sea breeze. She didn't come here for the treasure, but to unlock the secrets of "forgetting and guarding" deep in the beach. Every time she rides the waves, she is making peace with her loneliness and longing. Zi Heng met travelers who were also attracted to the beach. Their stories intersected like the tide and healed each other. The core conflict is: Will the mysterious force guarding the beach allow humans to touch the boundaries of memory? In the purple light and warm wind, Zi Heng discovered that the true value of the secret realm is to regain hope and connection during exploration. The beach is not only a destination, but also a soft place in everyone's heart.