Content Warning: This novel includes graphic violence, murder, sexual assault, sexual abuse, and drug overdose.

Molly Devereaux is the protagonist of the novel, which covers Molly’s early 20s and mid-30s through different chapters in different years. Molly is a caring and hardworking young woman in the early portions of her life in the novel, caring for Layla and supporting her parents despite their abusive behavior. Molly notes how she works at a diner to make enough money to pay for Layla’s supplies and her parents’ drugs and alcohol, leaving little or none for herself; however, she does not complain about her situation, so long as she can protect Layla. Following her sale into human trafficking, Molly continues to develop her perseverance and determination, escaping from Francesca’s house and journeying back to Montana to save Layla. Notably, one of the hardest tasks that Molly accomplishes is leaving Layla with Colin and Margot, sacrificing her own connection with Layla in Layla’s best interests.

After returning to Montana, Molly’s core characterization remains the same, as she continues to work hard and dedicate herself to protecting others through her work with Legion. Unlike in her earlier years, though, Molly is colder upon her return to Montana, making her developing romance with Cage difficult.