Yoon-hee, a novelist, desperately seeks for a new story and that's when she hears from Seo-yeon, her friend in Vietnam, a very tempting story about a legend of Muoi's portrait. A long time grudge makes Yoon-hee hesitate to go to Vietnam to meet Seo-yeon. However, fascinated by sources of the portrait Seo-yeon incessantly sends her, Yoon-hee heads for Vietnam to unveil a century-long legend of the portrait. Yoon-hee is stunned by Seo-yeon's dazzling look never seen before but is readily welcomed by her friend. As Yoon-hee unveils the mystery of Muoi, Vietnam, seemingly an exotic place, turns into a setting of a living nightmare, and the secret of Muoi in buried as if never to be revealed.