In 16th-century England, the Boleyn family, driven by ambition, seeks to raise its status by gaining the favor of King Henry VIII. The plan initially involves the elder daughter, Anne Boleyn, who is tasked to catch the eye of the King, hoping she will become his mistress and thus elevate the family's power and wealth. However, complications arise when Henry's interest shifts from Anne to her younger, more innocent sister, Mary, who is summoned to court and reluctantly becomes the King's paramour. Amidst the opulent and cutthroat environment of the English court, Mary develops genuine feelings for Henry, further complicating the dynamic between the sisters and setting off a rivalry fueled by jealousy and ambition.

As the relationship between Mary and Henry deepens, Anne becomes increasingly resentful, sparking a fierce competition for the King's affections and a position of power within the court. Anne's ambitions lead her down a path of manipulation and scheming as she seeks to reclaim the King's favor, not only to surpass her sister but to secure a prominent place in England's hierarchy. This rivalry between the sisters not only tests their relationship but also exposes the extreme pressures and challenges faced by women in their quest for power and recognition in a male-dominated society, setting the stage for dramatic and far-reaching consequences.