 While Sheila gets the supposed Doctor Layton to come downtown to sign some papers needed for funding, Craig slips into Layton's office and secretly installs a movie camera which will be remotely activated when the telephone is used.Foster then escapes and calls the office to advise him that he will be bringing reinforcements to search the observatory, which he has discovered is the Purple Monster's hideout.Craig and Sheila arrive to find the observatory deserted.