A billionaire boss fights his feelings for his assistant while battling a crime family in this suspenseful romance by a USA Today–bestselling author. Putting his ravishing assistant in danger makes billionaire investigator Jack Carson uneasy. Till now, Jack’s cared only about running his security company and bringing down the notorious O’Shea family. But using Vivianna Smith to infiltrate their organization has complicated his priorities. And burying himself in work is no longer protecting him from his feelings. The seismic attraction he’s been suppressing has been tough enough. But watching Viv care for the baby she’s fostering stirs up emotions from his tragic past. Despite Jack’s certainty that Viv is hiding something, his raging desire is driving him to the limits of his self-control . . .