Just as multiple Shadows fall across her path, Artemis Crock’s life is interrupted by devastating news.

For Tigress, saving everyone may not be an option – unless help is offered from an unexpected source.

Brion Markov is determined to rescue his missing sister – even if it means throwing down against the entire League of Shadows.

Green Arrow’s niece, Artemis, joins Young Justice and must save a bright young scientist from the League of Shadows.