Terraka: The Secret of Darkstone is a sci-fi adventure story about three siblings who run away from home before a hurricane is scheduled to hit town. When they run into some complications, they are forced to flee from their only sanctuary. Against all odds, the kids make it home just as lightning strikes powerful technology, causing an energetic surge that creates portholes into another dimension. The children are separated during transport. They soon will be faced with a variety of challenges and adventures as they try to survive in an uncharted world with unknown languages and cultures. While one child finds refuge in one society, the others are rescued by the opposing empire. The children uncover the truth behind the state's mission, as well as the casualties at risk if they do nothing. Now, they must choose whether to set their own personal objectives aside in order to protect life; and if so, will they be found on the opposite side of the cause?