A haunted young woman finds herself drawn into a world of seduction, duplicity and betrayal as she desperately tries to uncover the mystery surrounding her best friend's suicide.

As an angry mob rises against the Wicked Witch, Glinda and Elphaba will need to come together one final time. With their singular friendship now the fulcrum of their futures, they will need to truly see each other, with honesty and empathy, if they are to change themselves, and all of Oz, for good.