A clear map helps the declarer

Gail Pool, a writer and critic who specializes in travel, said, "Even with the best of maps and instruments, we can never fully chart our journeys."

That is true at the bridge table. Even when an opponent has made a bid that helps you place the missing cards, you will not always be sure where everything lies ... but sometimes you will.

In today's deal, South was in four hearts. West led the club ace and continued with the club king. What did declarer do?