Genius Heiress's Return

Isabella Patton, raised in the countryside, returns to her wealthy birth family at 21. She catches the eye of the intense and older Oliver Bates, who pursues her unaware that she is his fiancée. Meanwhile, her cousin Eliza, who was raised in her place, tries to turn the family against her. But Isabella, a genius in medicine and tech, uses her skills to outmaneuver Eliza, winning over her family while keeping Oliver at arm's length.