Wang Chenxuan, a graduate student in the Department of Archeology, signed a mysterious contract to save his terminally ill girlfriend Feng Qingxi, and became a "contractor" walking between the yin and yang worlds, exploring ancient forbidden lands and live-streaming the sale of strange objects in tombs. When the dusty bronze coffin was opened, he realized that what he was selling was not only a strange object, but also the fate and lifespan that had already been marked with a price.
