Qi Caiwei is an ordinary yet special college student in Chucheng.
She is said to be ordinary because she is like thousands of others of the same age. Her parents are ordinary citizens, her studies are neither good nor bad, she passed the college entrance examination and passed the first class of her province, and she is now a junior in college.
She is special because she has a special ability. She can travel through time and space according to her own wishes every night and experience various lives. Just like "The Biography of Nanke Prefect", she wakes up and finds that her long and short life is just a dream.