Betrayed by my half-sister and robbed of the prince, I was left at the altar and exiled to the borderlands. Now I live in a neighboring country as a healer. When an invitation to my sister's wedding unexpectedly arrives and troubles me, my colleague ends up accompanying me...

I was deemed a villainous young lady who bullied my younger sister, had my engagement broken off, and was sent to the frontier. Somehow a year has passed, and now I'm recognized as a healer in a neighboring country and making a living. However, for some reason, I received an invitation to the wedding ceremony of my younger sister, who stole my fiancé, and my ex-fiancé, and my parents are telling me to attend, which is causing me great distress. Then my colleague Joy offered to come along with me, but...