Whether it's a dream or reality, the baby's weird smile lingers, and the mysterious death of his friend makes Dongfang Meng, who has a strange life experience, heartbroken. The appearance of a mysterious boy from another world slowly unveils the conspiracy. As the mystery of Dongfang Meng's life experience is solved, she spirals into a fantasy world. During this journey of time and space, Dongfang Meng slowly finds herself and the meaning of existence.