Yumeka, who suffered from severe insomnia. One day, a 'fragrance' offered by a stranger changes her destiny. That night, lighting the fragrance in desperation, Yumeka, drawn into sleep, finds herself stepping into `Monghwanru` (Dreamland Pavilion), a brothel where demons sell nights at the boundary of dream and reality There, she encounters the mysterious man, Yato. His somehow familiar face and an irresistible, strange touch. Even knowing it's a dream, Yumeka helplessly surrenders herself to his temptation, spending sweet yet dangerous nights