Princess Olivia, who was married off to a neighboring country in a political alliance, found herself increasingly isolated due to the prince's infidelity. She vows to escape the country and live out her life in secret as a commoner. However, standing before her is the Knight Commander, Gilbert, who is pursuing the missing princess. As her former bodyguard—and someone she once harbored a faint crush on—his arrival throws Olivia's destiny and her emotions into intense turmoil.