Zugzwang.

Selim and Muazzez are a happily married couple who infuse every moment of their lives with joy by turning situations into games and competitions without ever compromising their love and respect for each other. One fateful day, Muazzez makes a blunder that hurts Selim. Feeling disrespected, Selim reacts with an exaggerated display of anger, leading to an abrupt breakup. During their months-long period of ambiguous separation, Selim discovers his kidneys have failed.