Please write a high-level outline for a book based on this synopsis and notes. Include a list of chapters (28) and a short summary of what happens in each chapter.


Synopsis:

In the pre-Dance of the Dragon era of George R.R. Martin's "Fire and Blood," Dragonstone Island and Castle serve as the backdrop for a tale of love, loyalty, and the complexities of family. Crown Princess Rhaenyra Targaryen returns to Dragonstone Castle with her family after a royal dinner with her father, King Viserys I, and the opposing Green Faction. Her entourage includes her husband and uncle Daemon, her sons Jace, Luke, Joffrey, and her stepdaughters/cousins Baela and Rhaena.
Upon their arrival, Rhaenyra discovers that her older sons Jace and Luke have performed a magical ritual to change the colors of their hair and eyes to quell public rumors about their illegitimacy. The ritual backfires due to the accidental mixing of two different spells, summoning younger versions of Rhaenyra (Nyra) and Daemon (Daemion) from seventeen years ago into the present, along with Nyra’s sworn guard, Ser Criston Cole.
Confronted with this peculiar situation, Rhaenyra resolves to help her past self and Daemion return to their own timeline while maintaining the well-being of her family. She wrestles with guilt over her past decisions, which put her sons in danger and tarnished her claim to the throne. As the story progresses, the characters’ motivations become increasingly complex and nuanced.
Rhaenyra struggles to balance her desire for personal happiness with her responsibilities towards her family and her claim to the throne. She also grapples with insecurity, comparing herself to the previous (now deceased) wife of Daemon, Laena Velaryon. Nyra is determined to marry Daemion and return to her own timeline, but her uncertainty about the future causes friction between her and Rhaenyra’s current family.
Daemon, meanwhile, contemplates how to protect his family while exploring a magical solution to make Rhaenyra the mother of his daughters. Baela, training to become a dragonrider and future Queen Consort, grows more rebellious and restless, temporarily resenting her father Daemon and her stepmother Rhaenyra.
Two days after Nyra’s and Daemion’s arrival from the past, Rhaenyra seeks the help of Maester Gerardys, who recommends a talented mage in Volantis to aid them. Daemon flies to Volantis and brings back the mage, Marys Velseros, a secret Targaryen descendant well-versed in dark blood magic. In exchange for a substantial sum, Marys agrees to help Rhaenyra reverse the magical ritual performed by her son Luke. Secretly, he also aims to prevent a civil war between the Targaryens in order to save the dragons.
Tensions rise as young Nyra and Daemion’s intentions to marry threaten the current relationships and futures of the Targaryen family. Rhaenyra’s stepdaughters, fearing for their own existence, team up with Ser Criston, Jace, and Luke to prevent the young lovers from marrying. Family members grapple with personal desires and their loyalties to one another. Jace and Luke’s existence is directly tied to Nyra and Daemion, and if the young couple does not consummate their love, the boys' lives will be forfeit.
As the deadline for Nyra and Daemion's return to their timeline approaches, the family must confront their fears, desires, and loyalties. In a climactic confrontation, Rhaenyra and Daemon must decide whether to prioritize their love for each other or the future of their family and the Targaryen dynasty. Ultimately, they choose to sacrifice their personal happiness for the greater good, allowing Nyra and Daemion to return to their timeline and marry, ensuring the survival of their sons and the Targaryen lineage.
In the end, the family is left to grapple with the consequences of their choices, as they face an uncertain future filled with political intrigue, the looming threat of civil war, and the ever-present danger of dragons. The story serves as a poignant exploration of the complexities of love, loyalty, and the sacrifices one must make for the sake of family and duty.

Notes: 
Genre: romantic drama plus grimdark fantasy. 
Setting: pre-Dance of the Dragon era of George Martin “Fire and Blood” book. Dragonstone island and Dragonstone castle. 
 Daemion is younger version of Daemon “Rogue Prince”, Nyra is younger Rhaenyra. They are Targaryens, sibling, cousin and avuncular marriages are Normal for their dynasty.