As the human kingdom of Katolis braces for an attack by Moonshadow elves, King Harrow makes plans to send sons Callum and Ezran away to a safe place.

Determined to make up for her mistake, Rayla sneaks into the castle and corners Callum. Lord Viren offers the king a way to survive the attack.

With night falling, Rayla and the princes race to share what they've found and stop the attack. But first they'll have to get past Claudia.