♠ AK6

♥ T3

♦ J7

♣ QT9764

E-W Vulnerable

            South   West     North    East

            1♠         Pass    3♠         Pass

            4♠         Pass    Pass    Pass                                   

The opening lead is the ♦K, won by your Ace.  A Heart is lost to East’s Jack, but your hopes of getting two Heart ruffs on the board are dashed when East returns a trump.  So much for Plan A.  Setting up the Clubs is Plan B, will it succeed?

        North

West            East

       Declarer

♠ QJT93

♥ Q876

♦ AT

♣ AJ