As South, you hold:
105
AQ10963
J75
AJ.
RHO opens 1 as shown. And you?
Pass
Overcall
Double
Partner cuebids 2. And you?
Sign off in 2.
Try for game.
Bid game.
Partner accepts your try and the 2 is led against 4 as shown below. Dummy plays low and East plays the K.
Your plan?
Win the A, and play diamonds.
Win the A, draw trump ending in hand, and take a diamond finesse.
Win the A, draw trump ending in hand, and play the A and more diamonds.
Win the A and return a club.
Win the A, draw trump (they are 2-2) and exit in clubs.
Hold up.