Dahlia was born as the eldest daughter of the Stuart Ducal House, one of the Four Great Ducal Houses.

Soon after losing her mother to illness at a young age, her father, Mauro, took Andrea, his commoner mistress, as his legal wife.

Furthermore, she already had a daughter with Mauro, named Betty, who was only a year younger than Dahlia.

To solidify her own position, Andrea schemes to undermine Dahlia, the legitimate heir of the ducal house.

Betty, who coveted everything Dahlia possessed and grew up arrogant.

Thus began the power struggle between the three.

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