When twenty-six-year-old graphic designer Lily Moore shapeshifts for the first time, Atlanta police detectives consult wildlife experts to sort through the bizarre forensic evidence she leaves in her wake. Her traumatic transformation coincides with murder and Lily finds herself the center of a mad vortex of area crimes. On the run, Lily turns to her younger brother to help unravel the secrets surrounding her boyfriend's death as well as unlock the mysteries of their Chinese heritage. When a loved one goes missing, Lily finds herself scrambling to find purchase in this new world where there hasn't been balance for a century. As she learns to master her new preternatural abilities, she must cut through the lies of those around her. With the police and a killer hot on her trail, can she solve the mystery of being First Born or will family secrets prove deadly?