Ling Xiao: At the end of the Southern Song Dynasty, he broke out of the encirclement for the guardian of the young child in the bloody battle at Yashan. He died alone and sacrificed his life for the country. Her soul is immortal, attached to the personal token, and sleeps for eight hundred years.
Gu Shichen: President of Hyundai Gu Group, known as the "cold scalpel" in the investment world. While investigating a business conspiracy that led to the bankruptcy of several companies and implicated Gu's top executives, a key piece of evidence was discovered - a bronze token stained with special blood stains.
· Exchange rules: The token is the medium, and the blood of the two people is the key. The triggering of time and space exchange is random and cannot be controlled initially. After each exchange, the body will temporarily retain the muscle memory and emotional imprint of the original owner.
