Battle of Heart and Mind

This story centers around the calamity trio, Anne, Sasha, and Marcy. The Core's collection of minds overwhelm Marcy's own. Feeding her lies about how her friends abandoned her in her most vulnerable state. The three girls caught in a battle of heart and mind. Will Anne and Sasha be able to save Marcy from The Core's control, or Marcy be strong enough to save herself?