Henry, always on the lookout for mischief, hears about an eerie mummy’s curse. He shares the story with his brother Peter, stirring up rumors and spooky imaginations. Meanwhile Henry’s other typical antics are in full swing: managing horrendous homework, dealing with spelling problems, and creating panic over a shark in the swimming pool. Things escalate when Henry decides to scare Perfect Peter with the idea that the mummy’s curse might be real—and dangerously close.