As Hubbard's followers progress in their Scientology teachings, they learn of the story of evil alien prince Xenu.[1] Celebrity actor characters describe their relationships with Scientology: John Travolta explains how Scientology "fueled his cool"; Kirstie Alley says that it helped her conquer drug addiction "enabling me to star in the fine television series Fat Actress and to promote the quality products of weight loss expert Jenny Craig"; and Tom Cruise interacts with sock-puppet incarnations of his new wife and daughter.[2] The Internal Revenue Service brings a case against Hubbard, but he is able to defeat the tax charges by brainwashing his accuser.[15][3] Celebrities Cruise, Alley and Travolta testify on Hubbard's behalf during the trial.[22] Skeptics question Hubbard about the Church of Scientology's finances and methods of recruiting and retaining members.[4] One young boy, left alone on the stage, sings about profound alienation.[5] The entire company finally comes together to sing the "chilling finale", which includes the refrain: "Just don't ask questions / And everything is clear."[6]