The Exchange Game EP 5

Synopsis

Chen Yanhong and his wife, Shiyin, are both doctors at the same hospital. As the spark in their marriage begins to fade, Yanhong turns to couple-swapping websites for excitement. At the invitation of psychology professor Xu Liming, Yanhong agrees to act as a silent observer while the professor and his wife, Zhixian, engage in intimacy. Watching the passionate encounter, Yanhong is hit with an unprecedented wave of arousal and stimulation.