Heojin, who wants to swap, takes her husband, Wonjae, and goes to a pension with Nari and Taeho. Two couples swapping partners and enjoying swapping. Her husband Tae-ho, who was passive at first, rather enjoyed her after seeing him, but her heart is upset.
| Actor | Role |
|---|---|
 Kang Min-wooTae-ho (태호) | Tae-ho (태호) |
 Kim Min-jeongHeo-jin (허진) | Heo-jin (허진) |
 Park Ga-inNa-ri (나리) | Na-ri (나리) |