Couple Sooji and Sangmin who once lived next door and Sooyeon who experienced having an affair spends a moment of confusion due to Soojis sudden death and now lives a normal life with her husband Dongseok Then one day Dongseok gets into a parking dispute with Miran a newlymarried couple who moved next door and Sooyeon is embarrassed to learn that Miran is the female junior who once had lesbian tendencies towards her in college Two couples living next door and getting close Unlike before Miran has become a lawyer and ignores Sooyeon Sooyeon gets angry Meanwhile Sooyeon found out that Mirans husband Seokho is a stay at home husband and Sooyeon who is in the same situation is attracted to him