Preservation by Breanna Riley

Who do you turn to when there’s no one left?
Isla traded one cage for another when the FBI freed her from servitude under a deranged drug lord. Now, she has to inform for them to earn that freedom. When Derrick hires her on the spot with no ID or verifiable background, she didn’t think it would put her newfound freedom in jeopardy. The tall, tattooed bartender’s stormy eyes and rough hands haunt her every waking moment, becoming more of a distraction to her goals of independence.
Derrick really only has two things going for him in his life: his chosen family, and his bar. When the heart-stoppingly beautiful Isla asks for a job, he knows the girl 18 years his junior has an innocent disposition that can’t do well in the bar environment. He can’t stop himself when he feels an instant connection. The captivation spurs on his need to help, and their explosive chemistry leaves his dreams consumed with her.
Neither of them understood how much danger lurked in the dark, but both of them will suffer the consequences when the enemy is underestimated.