When Doug starts receiving fan mail from someone who saw his performance at a karaoke club, he lets the attention go to his head, only to have his ego shattered when the emails suddenly stop coming.When the emails applauding Doug's singing suddenly stop, Doug goes back to the karaoke club in an attempt to get his fans back. But when Carrie discovers an email from a rabid fan, she jealously puts a block on all of Doug's incoming emails. After Doug finally unblocks his email, he discovers that the adoring emails have turned insulting and threatening.