Dramatic Irishman secreting fishy weapon? (13)

'dramatic' is the definition.
(relating to or reminiscent of Shakespeare)

'irishman secreting fishy weapon?' is the wordplay.
I cannot quite see how this works, but
'fishy' could be 'hake' (hake is a fish) and 'hake' is found in the answer.
'weapon?' could be 'spear' (spear is a kind of weapon) and 'spear' is located in the answer.
'irishman' could be 'sean' (common Irish name) and 'sean' is present in the remaining letters.
This accounts for all the letters.
This may be the basis of clue (or it may be nonsense).

Can you help me to learn more?