

A North Korean spy wakes up inside a 1985 K-drama as the family’s notorious evil stepmother. Armed with a mysterious system and knowledge of the story’s tragic ending, she must raise three children who hate her, rewrite her fate, and survive a life she was never meant to live.

Woo-Yeon, a second-generation chaebol, starts an internship at her father's company, where she works with Jae-Hwan, a notoriously prickly but highly capable and sexy boss. She soon discovers that Jae-Hwan’s wife, Ji-Su, was the one who bullied her in the past. Determined to get revenge, Woo-Yeon decides to make Jae-Hwan her own man.

Jinsol lives a ordinary life, finding her only thrill in outrageous K-makjang dramas. One day, a mysterious light pulls her into the drama itself, turning her world into pure chaos. Suddenly a hidden chaebol father appears, her boyfriend's affair is exposed, and her life spirals like a scripted nightmare. Trapped in an inescapable plot, Jinsol discovers the rule: to escape, she must push the drama to No.1. Embracing K-Makjang Level-Up, she unleashes extreme twists, romance, and revenge—until the story turns on her. At the edge of becoming the villain, Jinsol fights back to reclaim her ending and return to real life.