both focus on the scheming of wives in a household. The settings both take place in a family known for their herbs and the male leads took in their true love in as a concubine. Complicated relationships, revenge, schemes, women power. Everyone is just fighting for their own position and the wives only want their husband to love them.

Both dramas have strong female leads and revolve around undercover spies (trained to spy and kill) who are trying to help their country fight off foreign influences.