This collection expands the story line of the Teen Titans within the DC Animated Movie Universe. Robin is sent by Batman to work with the Teen Titans after his volatile behavior botches up a Justice League mission. The Titans must then step up to face Trigon after he possesses the League and threatens to conquer the world. Tara Markov is a girl who has power over earth and stone; she is also more than she seems. Is the newest Teen Titan an ally or a threat? And what are the mercenary Deathstroke's plans for the Titans?