Two years after getting married, Ruu, whose husband has been on a long business trip and lives alone in Tokyo, accidentally meets Kanna, his old boyfriend, on the street.Then, after realizing Kanna's circumstances, he had no choice but to welcome him to his house as a lodging...The two, unable to break their regrets about each other, are married, but they entrust themselves to their impulses and sought each other vigorously for each other, as if to fill their free time.And even though she understands that it's not good because of a distorted relationship from back then, she gets hooked on having an affair and ends up falling into a mistress...
