The more stealthily you do, the more you are drawn into… Soo-yeon lives a dull and boring life daily because her husband is always busy with work and goes fishing when he is not working. One day, Soo-ji, one of her high school friends moves to the house next door. When Soo-yeon happens to watch sneakily Soo-ji and her husband Sang-min having sex, her desire becomes so strong that she becomes to have hard time trying to suppress it. Soo-yeon ends up having passionate sex with Sang-min one day when Soo-ji is away on a business trip. That night, as Soo-ji spots Soo-yeon and her husband getting out of a car together and her husband being sweet with her, Soo-ji becomes suspicious of an appropriate relationship between the two. Next day, when Soo-ji asks Soo-yeon to meet her outside, Soo-yeon reveals a shocking story to her.
| Release Date | July 19, 2016 | |
|---|---|---|
| Status | Released | |
| Original Title | 외도 | |
| Runtime | 1h 17min | |
| Budget | — | |
| Revenue | — | |
| Language | Korean | |
| Original Language | Korean | |
| Production Countries | South Korea | |
| Production Companies | ||