Couple Soo-ji and Sang-min, who once lived next door, and Soo-yeon who experienced having an affair, spends a moment of confusion due to Soo-ji's sudden death, and now lives a normal life with her husband Dong-seok. Then one day, Dong-seok gets into a parking dispute with Mi-ran, a newly-married couple who moved next door, and Soo-yeon is embarrassed to learn that Mi-ran is the female junior who once had lesbian tendencies towards her in college. Two couples living next door and getting close. Unlike before, Mi-ran has become a lawyer and ignores Soo-yeon. Soo-yeon gets angry. Meanwhile, Soo-yeon found out that Mi-ran's husband, Seok-ho, is a stay at home husband, and Soo-yeon who is in the same situation is attracted to him.
| Actor | Role |
|---|---|
 Lee Eun-miSoo-yeon (수연) | Soo-yeon (수연) |
 Yoo Sul-youngMi-ran (미란) | Mi-ran (미란) |
 Ah RiSoo-ji (수지) | Soo-ji (수지) |
 Jung InDong-suk (동석) | Dong-suk (동석) |
 Lee Kang-wooSuk-ho (석호) | Suk-ho (석호) |
 Sang Woo[Male Version of Soo-ji] | [Male Version of Soo-ji] |