Cassiopea's spirit struggles to reclaim her body as Avria, the ancient queen of Etheria, uses it to deceive the Sang'gres. Danaya, Alena, and Pirena grow suspicious of Cassiopea’s strange behavior, but the truth remains hidden. As Ether establishes a new Etheria for Avria to rule, the battle for Cassiopea’s soul reaches a critical turning point.