Story about fellow would be biography (4)
I believe the answer is:
life
I believe this clue is a triple definition!
'story' is the first definition.
(I know that life is a type of story)
'about' acts as a link.
'fellow' is the second definition.
(thesaurus)
'would be' is a link.
'biography' is the third definition.
(I know that biography can be written as life)
(Other definitions for life that I've seen before include "Maximum stretch?" , ""But an empty dream" (Longfellow) - "As tedious as a twice-told tale" (Shakespeare)" , "The longest sentence" , "Birth to death" , "Baffin oiler (anag) - 7 film" .)