The Flawed Dance by Laura Elvebak

After five years of being the traveling companion and lover of a secretive man thirty years her senior, Erin Matthews fears his increasing paranoia. At age twenty-two, Erin escapes to a new city, determined to survive with her limited skills and experience. She cannot run, however, from the dark act that facilitated her escape. Making one bad decision after another, she lands in the Philadelphia demimonde world of entertainers, hustlers, and thugs. But will her newly learned skills, native intelligence, and honed instincts be enough to gain her the redemption and forgiveness she seeks?