Kang Siying, a corpse-driving priestess who guides the dead to the afterlife, takes on a risky mission to retrieve the body of a missing prince in order to pay for her father’s medical care. However, when she uses her reanimation talisman, the prince unexpectedly comes back to life—but can only survive by absorbing life force. Forced into an uneasy alliance, Siying agrees to help him hunt and purify evil spirits in exchange for a greater reward. As they travel together, facing ghosts, enemies, and growing tension, they begin to uncover dangerous secrets surrounding the prince’s death. What starts as a transactional partnership slowly turns into a journey filled with mystery, hidden truths, and escalating stakes that threaten both Siying’s family and their kingdom.