After 24-year-old Lin Xiaonan returned home, she opened the diary she wrote when she was 18 years old. Suddenly I found a message to save me appearing in my diary. When Xiaonan opened the diary, a 35-year-old self appeared, and at the same time, an 18-year-old self appeared. 24 Years old, 35 years old, and 18 years old, they all have the same wish to realize - to find themselves and find Liu Shanshan.
Concept: Time is a circle