While investigating the spark thief, the apprentices discover a mysterious member of the Evergreen Hills Council who may have connections to the spark thief. Meanwhile, Zack helps a grieving neighbor.

Evelyn and the wardens pursue Talia, the spark thief, while Sam and Talia form an unexpected alliance. Zack's curiosity about the spark energy leads him to an unexpected discovery.

Zack’s arrival in Evergreen Hills leads the Time Keeper to suspect that Zack may have a special spark ability. After finding Talia’s hideout, Evelyn and the wardens face a new danger.

Sam finally discovers Talia’s motivation for stealing sparks. Zack’s training gets off to a rocky start. Talia puts her master plan into effect.

All of the protectors of Evergreen Hills unite to stop Talia before she damages the forest and ruins Evergreen Hills. Evelyn and Kate find a resolution to their longstanding rift. Talia learns the value of true friendship, compassion, and forgiveness.