His Carefully Planned Sin

Orphaned at a young age after her father's sudden death, a sheltered woman is raised under the roof of an influential high-society dynasty. When a night of forbidden passion occurs with the household's second son, she initially dismisses the encounter as an impulsive mistake.

However, she soon discovers that every interaction was calculated as part of his relentless obsession. As his possessive pursuit intensifies, dark secrets surrounding her adoption and her true lineage begin to unravel, trapping her between treacherous deceptions and dangerous attraction.