Desire to be in Carry On — my life is ruined (8)
I believe the answer is:
wreckage
'desire' is the definition.
Although both the answer and definition are singular nouns, I cannot see how they can define each other.
I can't explain the remainder of the clue.
Can you help me to learn more?
(Other definitions for wreckage that I've seen before include "Ruined remains" , "Ruined material" , "Sign of misfortune at sea" , "Ruin" , "Crash pieces" .)