While looking for her mother, Dorothy Gale is swept up in a tornado and lands in a mystical world where the powerful ruler of a kingdom faces the wrath of witches and a mythical force.

Dorothy finds a soldier with amnesia and a man trying to help his best friend. Meanwhile, Glinda and West say goodbye to their fallen sister.

The Wizard sends guards to kill Dorothy. Meanwhile, the witches' power intensifies as the Wizard loses control; and Tip and Jack seek a cure in the City of Ev.

A lost girl finds Dorothy and Lucas. Meanwhile, the Wizard exercises his power over the residents of a village and Jack goes on a new path following a life-altering experience.

Dorothy's confrontation with the Wizard brings her closer to discovering the truth about her past. Lucas goes to great lengths to recover his memory, even if it means allying with West. The Wizard enacts his plan with Langwidere to prepare for the battle to come.

The Wizard launches an attack on a village as his power is threatened, and he enlists West to help. Meanwhile, Dorothy and Lucas fight to keep Silvie safe, and Langwidere grapples with her new authority as her relationship with Jack grows complicated.

When Dorothy and Lucas arrive at Glinda's castle she reclaims something for which she has been searching. The Wizard heads to the Kingdom of Ev to build his weapons arsenal. Meanwhile, West uses some dangerous magic to help Tip reconnect with her past. In the Kingdom of Ev, Jack struggles to find his place in Langwidere's life.

As the Wizard arrives in the Kingdom of Ev, an intense negotiation may lead to a standoff with Langwidere. Dorothy and Lucas find themselves on opposite sides. Meanwhile, Jack makes a decision that may have deadly consequences. Elsewhere, Tip and West solidify their bond and mount a battle of their own.

Tip and West arrive in Emerald City seeking vengeance. With a renewed confidence, Dorothy faces off against the Wizard and fights to save Oz from his oppressive reign. Meanwhile, Glinda brings her power to the battlefield as the threat of the Beast Forever looms.