Scarred at an early age, Cassie Lee is forced to fight against her rising trauma as the anniversary of her father's death approaches. She thought she could handle it on her own, but the sudden presence of a Primal sends her spiraling into despair. These corrupted Evolved hunt anything that moves and mutate to handle any threat. Only the Celestials, a group dressed like those from the Night of a Thousand Blades, are brave enough to fight them, and Cassie has been offered a seat at their table. Now, she is faced with the ultimate choice. Will she continue to live her simple Evolved life or will she continue a legacy?