The CEO's Secret Sister

After five years in the Volunteer Teaching Program, Stella Conrad quietly returns to Riverford to reunite with her younger brother, Nathan Conrad, who has become the city's richest man. However, she is mistaken for a mistress by Luna Morgan (Nathan's girlfriend), a woman she once sponsored. Luna repays her kindness with cruelty, subjecting Stella to unimaginable humiliation, beatings, and mental torment.