At 32 years old, Shouko Hama is a single contract worker who struggles in the romance department. Despite her desire to settle down, she has been unable to find a suitable partner for the past two years. After exhausting her options, she elects to embark on a solo journey. While on the plane, she encounters a younger, attractive male, and by chance, the two cross paths once again during her travels. However, instead of being honest with the man, she fabricates a story and claims that she is already married. Shockingly, he responds by proposing an extramarital affair during their trip.