Meg Giry's life has been haunted by the Phantom of the Opera ever since she was a little girl. Christine Dae knows nothing of the Phantom, but Meg fears for her friend's safety. Can she save her best friend from a life of darkness and fear?

When Leo leaves Ogygia to return to the fight against Gaea, Calypso fights to remain optimistic about leaving her island prison. But sinister forces are at work, and she finds that she may play a more vital role in the coming battle than anyone has ever realized; if she can survive until then.