Six years after a single night with sea-dragon prince Dorian, pearl-clan artisan Seraphina returns to the dragon capital with their half-blood daughter Luna after a tsunami destroys their home. Six-year-old Luna recognizes Dorian through bloodline resonance and secretly engineers meetings between her estranged parents. Dorian's fiancée Ophelia obstructs them, while his brother Marcus weaponizes Seraphina's low status in a bid for the throne. Through Luna's innocent schemes, the misunderstanding behind Seraphina's departure is exposed; Dorian and Seraphina protect their child, defeat the coup, and reunite as a family.
