Baldur's Gate's Ghost's storyline was: In the world of Baldur's Gate, humans have explored space and established a colony on Mars. However, as the Mars colony continued to grow, humans began to face more and more threats. The biggest threat came from a mysterious dark force that was trying to destroy the entire human civilization. In order to deal with this threat, mankind needed to find a new home and organize a powerful army to protect the survival of human civilization. The protagonist of the story was a young soldier named Arwen. Alvin grew up in the Mars colony and joined an army to become a brave warrior. However, during a mission, he discovered a mysterious organization that was inextricably linked to the dark forces. As the story goes on, Arvin finds that he must stop the dark forces from destroying human civilization and find a new home that can protect him and his family. Baldur's Gate, Ghost, was a science fiction novel about the mysterious and dangerous challenges humans faced in space exploration and the protection of human civilization.