A Yin, the daughter of a paper effigy maker, is forced to marry into the Prince's Mansion in a ghost marriage while searching for her missing father. With the coffin lid sealed shut and mercury pouring in, the supposedly dead heir, Rong Yao, suddenly opens his eyes! Using her ingenious mechanisms to escape certain death, she joins forces with him, who suffers from a deadly cold poison, to investigate a series of cases. But behind the gruesome deaths of seven successive brides lies a sinister conspiracy to return a soul to a corpse. With the seventh-day funeral rites approaching, she must save her father, rescue the man bound to her by life and death, and bring down this man-eating mansion with her own hands!