Old money rivals. Dangerous attraction. A romance that could destroy two dynasties. Y/N Beaumont attends her best friend Aurelia Harrison’s engagement party expecting champagne, gossip, and another reminder that the Astors are her family’s greatest rivals. Instead, she meets Louis Astor — the younger brother of national horse-riding champion Roscoe Astor. Cold, impossibly handsome, and always watching, Louis becomes fascinated with the Beaumont heiress almost instantly. Soon, extravagant gifts begin appearing at Y/N’s door: rare flowers, vintage diamonds, custom gowns. No notes. No explanation. But somehow, Louis always knows when she accepts them. Caught between family expectations, elite society, and a growing obsession neither of them can control, Y/N finds herself pulled deeper into the Astors’ world — where love feels dangerously close to possession.