Film following mythical boat (5)

I believe the answer is:

fargo

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'film' is the definition.

'following mythical boat' is the wordplay.
'following' becomes 'f' (used when citing page numbers etc).
'mythical boat' becomes 'argo' (I've seen this before. I am not sure about the 'mythical' bit.).
'f'+'argo'='FARGO'

Can you help me to learn more?

(Other definitions for fargo that I've seen before include "He and Wells founded US stagecoach company" , "Wells --, stagecoach service" , "Partner of Wells in US transport company" .)

I've seen this clue in The Independent.

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