Jill Ruspoli is moving forward with her life after a devastating divorce. Her work as a pediatrician is hectic but fulfilling, she's newly engaged to a kind and loving medical researcher, and her daughter is finally happy again and doing well in middle school, in the aftermath of losing her stepfather in the divorce. But when Jill's distraught ex stepdaughter Abby shows up on her doorstep with the news of her exhusband's death from an apparent overdose, her life is thrust into turmoil once again. Abby believes her father was murdered and pleads with ill to help her explore the circumstances of her father's death. Jill can't turn her back on Abby, even though helping her threatens to rip apart the fabric of her new family, destroy her hardearned stability, and sacrifices her future for her past. Along the way Jill learns that motherhood transcends mere biological and legal ties and requires only the power of the human heart.