In Good Company (2004)

He's rich, young and handsome. He's in love with you and he's your dad's boss.

Dan Foreman is a seasoned advertisement sales executive at a high-ranking publication when a corporate takeover results in him being placed under naive supervisor Carter Duryea, who is half his age. Matters are made worse when Dan's new supervisor becomes romantically involved with his daughter an 18 year-old college student Alex.