The World of Adultery: Gyu-nam, even with a girlfriend, meets a married woman in an online chatroom and starts an affair. Gyu-nam, who is more sexually attracted to married women who tries to push him away, finds out that the woman's husband she is having an affair with is blind. The married woman and Gyu-nam boldly engage in a love affair in front of the blind husband. The woman feels guilty but she keeps on seeing Gyu-nam, but is torn because her blind husband has a good sense of humor. What is the fate of this affair?