Dong-ryeon, a Korean woman living a miserable life, flees to Hanyang after a fight with a gambler. When she hears from Gae-seong's mother-in-law that an exorcism will take place at the residence of Choi Soon-yeong, she attends the exorcism and deceives Choi Soon-yeong by performing a fraudulent ceremony. However, she is exposed and beaten to the verge of death. Seo-yeon, whom she met in her dream, sang her resonance song, and Choi Soon-yeong remembers her daughter singing and misses her. Dong-ryeon soon finds the courage to live again.