While 嗄my is preparing for her father's Halloween-themed wedding, she, Gilbert and Marshall discover that Harold and Rose may be in danger. 嗄n evil mummy is unexpectedly awakened and out for revenge.While 嗄my is preparing for her father's Halloween-themed wedding, she, Gilbert and Marshall discover that Harold and Rose may be in danger. 嗄n evil mummy is unexpectedly awakened and out for revenge.