High Stakes by Nicolette Pierce

The game is afoot. No one is playing nice.

Nadia Wolf has had enough, and she’s fighting back. With a crime lord hot on her tail, it's kill or be killed. Nadia is running out of options, something that Caleb shrewdly knows. And, he isn't above using Nadia's circumstance to bait her with another steamy wager.

While trying to save her own neck, play nice with an annoying new roommate, and deal with the obnoxious new assistant of Lost City Casino, Nadia must unravel a web of secrets that has gun-toting killers attempting to abduct her. People are not who they seem. 

The ending will leave you astounded! Start reading today.