至って普通の主婦・由美子(熊切あさ美)が暮らす家の隣に、以前付き合っていたものの別れざるを得なかった浩司(大口兼悟)が引っ越してくる。互いへの思いがよみがえり、由美子と浩司は再び愛し合うように。ところが、彼らの関係が由美子の夫・幸彦(本宮泰風)に知られてしまい、由美子はある決断を下すこととなり……。Yumiko (Asami Kumakiri) has an ordinary marriage life with her husband Yukihiko (Yasukaze Motomiya). Her ex-boyfriend, Koji (Kengo Oguchi), moves in next door. They are reunited for the first time in a long time and their passion revives, but Yukihiko becomes aware of their relationship.