An accidental fall into the sea caused her to lose her most precious memory and changed her destiny.
After losing her memory, she had a beautiful encounter with Xiao Mochen, which made her realize the sweetness of love; but the arrival of the uninvited guest Ling Hanyu broke everything peaceful and beautiful.
An unexpected incident during a school outing brought back long-lost memories, but he couldn't look back on the accidental crash into the sea.
When everything is intertwined, confusion and helplessness sweep over.
What is that partial memory that has not been recovered? What does Ling Hanyu have to do with this? Were Xiao Mochen's death and the accident a coincidence? Or a long-planned conspiracy...