Keith allows himself to get captured by robots in order to get aboard Wade's invisible prison vessel called the Void so he can break out political prisoners of the Den Resistance. However, Daniel gets caught with him and meets Keith's friend Manset who helps him survive on the inside while Wade throws Keith into the "Black Hole" where he encounters Chief Kalon of the Lion Riders. Daniel then has to fight Kloak, an invisible warrior who guards the Void generator so he and Keith can escape the ship and get their friends to safety.
