 However, his masquerade collides with scepticism at a London "ElCon" (Elvis Convention) religious gathering and there is a riot.Iz, John and Elvis use bootleg DryCo time travel technology to travel back to London in the alternate world's forties and Elvis loses himself amidst the debris of St Paul's Cathedral.However, Elvis is relatively psychologically healthy and morally sane compared to the intense anti-human pathology of DryCo's world; in the end he risks everything to escape it.