Depths of Deceit by Kellie Wallace

After working for many years in the television industry, Elias Dorne is forced out after a scandal rocks the company. Desperate for a challenge, he becomes the second-in-command at publishing juggernaut Blue Tail Media, owned by the elusive and copper-haired magnate Ava Wolfe.
Working side by side, their relationship straddles the forbidden as they fail to ignore the unresolved sexual tension between them. During a company gala, Elias and Ava finally succumb to their desire, creating a torrid love affair that generates media interest and jealous ex-lovers.
Elias and Ava must learn to bury—or deny—their feelings before they are discovered.