Herbie is helping Ben exercise using Reed's testing room, when a mysterious lady enters their headquarters and is captured by the automatic defense systems. She introduces herself as Queen Sebel of Manopal and wishes to enlist the help of the Fantastic Four. She uses a hypnotic influence on Ben to get him to agree to the trip to Manopal along with the rest of the team. There she tells them of how the Great White Stone, a large and valuable diamond was stolen by bandits. While acknowledging a few problems with Sebel's story, such as why no one else was sent to look for the diamond, the Four agree to track it down for her by looking in the surrounding jungle. They soon come into contact with the bandits themselves, who tell the team that Sebel must be overthrown. Sue retrieves the diamond, but before she can study it, Ben and Reed, now both under Sebel's influence, insist that it must be returned to her, and leave Sue and Herbie with the bandits. She asks them what they wanted with the d