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Go to Freddy Fear's House of Scares and enter the basement. Talk with Paige to find out that Penelope Hornwright has not yet arrived. Wait to be called by Penelope, who reveals that she has been kidnapped by Hijack. Go to Hornwright Industrial headquarters and enter the cave.
Resolve the issue with Hijack, either by killing him or by promising to give him a part of the gold. After freeing her, Penelope reveals that the Motherlode needs to be recalibrated. Complete the maze to recalibrate the Motherlode and replace the module to complete the quest.
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