 Kay is of an unspecified age, and the book follows his adventures one Christmas Holiday alongside his contemporaries who are staying for the holidays.Kay Harker plays a key role in "The Box of Delights", in which he leads the way in the hunt for the infamous Abner Brown.Despite a complete lack of aid from the local police, Kay manages to discover the location of Abner Brown, who seeks to capture the famed Box of Delights.