Hannah, daughter of the world's richest man, hides her identity and interns at her family firm. Her boyfriend Felix is seduced by Joanna, a rival's plant, and publicly humiliates Hannah when she proposes. Branded a fraud, Hannah refuses to bow out. With help from upright colleague Calvin, she uncovers lies and thwarts schemes at company events. When a framed plot nearly ruins her, her father exposes the truth. The conspirators fall, Hannah reclaims her name and fortune, and finds genuine love with Calvin.