Sa Bina was just an ordinary girl heading out to take her SAT exam—until everything changed in the blink of an eye. Transported to a mysterious and ancient realm, she suddenly finds herself betrothed to a much older ruler as one of his many concubines. But fate takes a sharp turn on her wedding night—the emperor is assassinated, and the killer is none other than his own son, the ruthless and captivating crown prince. Now entangled in royal intrigue, Bina is forced to align with the enigmatic and dangerous Lucretius. In a world where power means survival, she must tread carefully, using wit and courage to navigate court politics, shifting loyalties, and deadly secrets.