First Mr. Jargon infiltrated ACRONYM (the Abbreviation Committee Recommending Obnoxious Names You Memorize) and then Anna Graham disappeared, leaving nothing behind but a mysterious message. Still plagued with guilt over the unsolved murder of Bob Palindrome, the Chief vows not to repeat the same mistake with Anna. But when an exclamation mark is murdered in cold blood, he wonders if he is in over his head, or if his new friend Ima Writer can help him crack the case.