

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.