Serena, a modern woman, transmigrates into a disgraced royal fiancée framed by a false saintess. Publicly humiliated, she fights back with sharp wit and exposes the conspiracy, instantly catching the attention of five powerful men. Amid royal persecution and political schemes, she strategically leverages each faction to clear her family's name and overthrow the corrupt monarchy. Ultimately, she ascends the throne as queen, achieving a complete reversal of fate.