After Cleo accidentally grants Kim's wish on the night of a full moon, everyone including enemies, family, and friends are transported into a theater to discover the truth and see their lives playout right in front of them.

Arin Beifong has everything. A loving family, a new home and siblings that will support her every step of the way. And she's the Avatar to top it all off. But when she discovers another person who can bend multiple elements, it makes her question her identity. Who is the Avatar? Will this person help her? Or will they take away everything she knows and loves?