An ordinary, female stagehand with the skill of an assassin, agrees to help the mysterious Phantom of the Opera in exchange for singing lessons. But when she finds herself protecting Christine from the Phantom, which side will she choose? How will she protect Christine without betraying the Phantom and getting her and everyone she loves killed?

What if Erik knew Christine when they were children and grew up together? How would that have changed things? This is based on the scenarios in the Kay novel.