War of the Poseys - S2.E6

Mark and Mindy were married young and fought for the rest of their life until their car crashes during one of their arguments. Both Mark and Mindy must go back to find out the real reasons behind their failed marriage.

They are sent back to their honeymoon, as proprietors of the hotel, and as both claim that it was a tennis match that started the resentment, they try to stop Mark's back injury which happened during the match. They fail, and the newlyweds spend the honeymoon separately: her in the dining room and he in the hotel room. During that day they discover the real reasons behind their failed marriage: a fake diamond ring, and a call from a former lover.

Young Mark and Mindy break up. But as Mr Smith tells them: It's not over till the fat lady sings...