after the uncontested auction after West passed:
2♦* - 2NT**
3♣*** - 3♥+
4♥ ++
* Multi
** Strong
*** Minimum with ♥
+ Invitation
++ Feeling confident!
I don't know why North raised to 4, but here you are!
LHO leads ♦K, continues with ♦Q but then mercifully leads a trump. Now what?

Help
