This is a love story for adults about two couples who have reached a slump in their marriages and fall in love with each other's spouses. Yuna, a lively and hardworking fashion consultant, meets Yeongjun, an elite businessman whose love has cooled. Meanwhile, Yuna's husband, Minjae, a hotelier, is fatefully drawn to Yeongjun's wife, Soyo, a designer. As the two couples intertwine, the story depicts the emotional turmoil of each of their married lives and new loves.
Uhm Jung-hwa plays Yuna, a fashion consultant whose relationship with her husband has become stale. Although passionate at work, there is a sense of peaceful malaise between them. Then, when she meets the cold-hearted Yeongjun, she awakens to new feelings, and the film delicately portrays the complex emotions of a woman.