Based on the Korean folk story of the same name. The plot shows the self-sacrifice of the main character, Sim Cheon, based on her daughter's loyalty, which is subsequently rewarded.

The court lady, Woo-yeon (Kim Woo-yeon), who was beautiful in appearance and excelled in poetry, was serving Anpyeong Dae-gun (Yoo-jun). After she saw the young Jin-sa Kim (Ahn Jong-hwa) one day, she fell in love with him and she did the same with Jin-sa Kim.