Living in Stable 18 Cobalt was a young Colt, he was happy and had the only pony who mattered to him at his side. His mother, Siren Song. One day he was subjected to an experimental procedure and his life was changed forever. Nopony looked at him the way again. Even his mother had become distant and cold. Finally, she vanished from the Stable. She was presumed dead until Cobalt received a message from her on his birthday he makes the decision to go out and search for her. During his journey, he discovered a piece of a massive project which had been sealed away since the war, Project: Cogarth. Driven by his curiosity Cobalt will travel all over the wasteland to find the remaining pieces of the project and discover its purpose. Could it be more than he can handle?