After the horrifying revelations of White House, Elk and Lieza join forces with the enigmatic Arc, and return to Smeria in an attempt to destroy the roots of the branching Chimera Plan.But the fight will not be easy, and with Elk still struggling to overcome the shock of the truth about the genesis of the Chimera, the outcome is far from certain.Alliances shift as enemies become friends and friends become enemies in the fourth exciting volume of Arc the Lad!