The term 'Eve of 'The Brady Bunch'' refers to the actress Eve PLUMB, who played Jan Brady in the classic television show 'The Brady Bunch'. PLUMB's last name is a five-letter word, 'PLUMB', which is the answer to the crossword puzzle. Eve PLUMB was one of the original cast members of 'The Brady Bunch' and she played the role of Jan Brady, the middle daughter of the Brady family. She appeared in all five seasons of the show and reprised her role in several spin-off movies and TV movies.