In the grand halls of the Potter-Black household, five-year-old Harriet, a mischievous heiress fluent in French, begins her day with playful teasing and a whirlwind of excitement for her birthday celebration. As her doting fathers, James Potter and Regulus Black, shower her with love, Harriet's spirited nature shines through, especially in her teasing of her brother Harry, who stubbornly refuses to learn French. The day is filled with laughter, pranks, and the warmth of family, setting the stage for the adventures awaiting the young heiress.

Percy Jackson's usual sunny afternoon at Camp Half-Blood is disrupted by the arrival of Amelia, a new and mysterious figure. With her silver-white curly hair and green-blue eyes, Amelia exudes a unique blend of divine and natural authority. Annabeth Chase and Percy are intrigued as Chiron introduces Amelia as the new Camp Managing Director. Amelia, a daughter of both Zeus and Poseidon, along with the nature goddess, will oversee the camp's operations. She promises to support the campers and bring fresh changes. Percy, impressed and curious, welcomes Amelia, sensing that her presence will bring exciting new developments to the camp.