What would you bid?

You are West, and North deals. Here’s what you see when you pick up your hand:

AKQJ
AKQJ
AK
KJ9

You are shocked when North bids 7♣! Naturally you double. North re-doubles!

You are beginning to regret putting money on this game.

Click here to see what you’ve gotten yourself into.

If you think you have a defense in mind, add a comment to this post before looking.