Mars Investigations looks into a cultish group joined by a Neptune High senior. Meanwhile, Veronica attempts to dispel a claim made by a condemned killer.
Against her father's wishes, Veronica infiltrates what she believes to be a cult in order to investigate a classmate's sudden change in personality. But after meeting the people in the cult, she begins feel like she is making a mistake. Meanwhile, her investigations into Abel Koontz's claims about her family continue.—Alex