His current stepmother brought by his father is the eldest son, Sang-woo's first love. One day, his father goes on a business trip and Sang-woo, along with his younger brother Bong-soo and stepmother remains at home. Bong-soo calls his girlfriend to make love at their house and Sang-woo uses his...
Sang-woo who had his stepmother as his first love tells his brother everything. However, his younger brother Bong-soo confesses that he knew Sang-woo slept with their stepmother. The three people who know they've had sex with each other get together and tell each other to be careful not to get...
