Isbell Murphy had her whole life planned out with her college boyfriend, Blake Williamson. But when she wakes up to a note from Blake claiming that he can't commit, things turn sour. Isbell winds up with a kid and left to fend for herself alone. Four years later, she is getting back on her feet, living life Blake-free, raising her daughter by herself. However, when Blake's mother falls ill, things take a drastic turn. Blake comes back into her life and starts to mess with everything about it. Suddenly, Isbell finds that she is desperately fighting for the only thing that matters. Follow rachael_lindsay as she takes you on a rollercoaster of heartache and heart warmth in her novel "The Only Thing that Matters."