Renzoku furin: Shimai sôkanzu (2008)

Eiko (Kyôko Hayami) has an unsatisfying marriage, and finds satisfaction in the arms of the younger Mitsuo (Naoyuki Chiba) . After a passionate spell between them, she feels she can't keep living this way and breaks up with him. Two years later, her younger sister, Yuiko (Komari Awashima) is happily engaged to marry, and introduces her fiance to her. The fiance is no other than Mitsuo. Mistuo and Eiko pretend to meet each other for the first time. Will they be able to keep living this lie?