The warm-hearted crew of the ice-breaker? (4,5)

I believe the answer is:

cold hands

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'the ice-breaker?' is the definition.
I know nothing about this answer so I can't tell whether it can be defined by this definition.

'the warm-hearted crew' is the wordplay.
'the warm-hearted' becomes 'cold' (I can't explain this - if you can you should believe this answer much more).
'crew' becomes 'hands' (I've seen this before).
'cold'+'hands'='COLD HANDS'

'of' acts as a link.

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