
Three Women depicts the complicated and mysterious circumstances in the married life of the two main characters. Dong-seok, the husband, always drinks and comes home late every day. Sang-hee, his wife, waits for him while finding comfort in videos of Min-gi, the main character in the drama she watches. One day, Dong-seok feels guilty towards his wife for his behavior and begins to notice her acting strangely. He decides to go to his friend Young-cheol to confide in him. At Young-cheol’s house, he accidentally witnesses his friend and his wife’s private scene. After hearing Dong-seok’s concerns, Young-cheol brushes them off and blames his wife, Mi-yeon. Sang-hee’s strange and unpleasant behavior continues.
Dong-seok, while secretly checking his wife’s car, finds a business card and decides to go there. There, he meets Hani, the actress in the videos Sang-hee often watches, and experiences strange situations. Meanwhile, Mi-yeon keeps hovering around Dong-seok, and Sang-hee’s actions become increasingly incomprehensible. The couple gradually fall into chaos, while it seems that Louis, a man who knows everything, is manipulating them both. Sang-hee and Dong-seok’s daily lives gradually change strangely…