West led a club since South seemed to prepared for a spade lead.

South found himself playing the hand with a spade lead.

After a second spade lead, West took his ace and played another heart.

When she next led a low heart, West won and did not know that another spade lead was safe.

A low spade lead would have left the defense in control.

Instead, he decided South was prepared for a spade lead and tried a heart.

West allowed this to win, took the next spade lead, and played another heart.

It might seem that South is on top after the actual spade lead.

He won the opening spade lead in his hand and led a heart.

West tried a spade lead, which was the worst choice for the defense.