"While Jake and Sarah are pulled through the Obsidian Mirror, landing in the violent, unpredictable time of the French Revolution, Oberon Venn must decide between staying mortal or losing his soul in the faerie realm"--Provided by publisher.
While Jake continues searching for his father and is sent by the obsidian mirror to multiple times in the past, Sarah and Venn battle with Summer for control of a powerful coin.
When Jake is kidnapped through the obsidian mirror, Sarah follows him into the past depths of time. Their fates, along with that of the mirror itself, will be decided at a masked ball.
While Jake continues searching for his father and is sent by the obsidian mirror to multiple times in the past, Sarah and Venn battle with Summer for control of a powerful coin.