The Mistaken First Love

Heiress swapped for stepsister seeks revenge until bodyguard's secret past emerges.

A proud heiress is forced into marriage as a substitute for her stepsister, instantly uncovering a web of betrayal behind the arrangement. She hardens her resolve to dismantle everyone responsible, but the bodyguard assigned to shadow her discards his disguise, revealing a concealed identity and a buried history that binds their fates. As each lie surfaces, the line between calculated retribution and dangerous entanglement blurs, pulling both into a collision of love and fate.

• romance
• revenge
• hidden identity
• family drama

1. Heiress forced to marry for stepsister
2. Bodyguard hides true identity
3. Shared past connects them

This drama suits viewers who want revenge plotted against family betrayal with a hidden-identity romance.