Jun-seok and Su-yeon have been newlyweds for three years. Though they're still happy, but they don't have any children yet, and a bit of boredom is creeping in. Meanwhile, Su-yeon's younger sister, who lives in Japan, comes to Korea and ends up staying at their house for a month, causing trouble.
Jun-seok and Su-yeon have been newlyweds for three years. Though they're still happy, but they don't have any children yet, and a bit of boredom is creeping in. Meanwhile, Su-yeon's younger sister, who lives in Japan, comes to Korea and ends up staying at their house for a month, causing trouble.
