My name is Lu Yuan, I am 16 years old. In the eyes of others, I am an ordinary high school student. But apart from that, I also have an unknown identity - a soul crossing master who travels between the Yin and Yang realms. I went to school every day during the day, and went to work in the legendary ghost shop at night. My life was very monotonous, until one day, I met a girl who claimed to be my colleague. From then on, my life changed drastically, and at the same time, I slowly discovered the shocking secret hidden in me...