The Birthday Party Betrayal

After seven years of devoted sacrifice as the perfect chaebol daughter-in-law, Yoon Seo-rin’s world collapses when she sees her husband celebrating their daughter’s birthday—with his half-sister, in her place. Publicly abandoned and humiliated, the obedient wife vanishes. She quietly forges a new identity and plots her elegant revenge, determined to make the Park family see the brilliant woman they discarded and watch from the shadows as their gilded world cracks without her.