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“无法抗争的命运的恋爱…三人编织出立于人生歧路的男女间令人感伤的爱情故事——” 主人公瀧沢完治在银行工作，工作认真努力。和妻子瀧沢真璃子最近对话变少，和女儿也有所疏远，但他也接受了如此平稳的家庭生活。但某日被毫无道理地降职左迁，使他对自己的工作产生了极大的困惑。出现在他面前的是一张雪山的海报。他以出差为名，一个人去了瑞士。在瑞士的风雪中，他看到了一位日本女性——目黒栞，知性、有品位的她也是一人前来旅行。大雪裹山，月照山头的夜晚，两人是旁人未曾想的投机… 另一方面，真璃子怀疑丈夫出轨却又未问出口，这样的她，竟对女儿的未婚夫陷入了恋爱…
Kanji Takizawa is an elite banker who lives with his lovely wife Mariko and daughter. After some unexpected turn of events business wise, his life begins to change as he makes his way to Switzerland whilst telling his family that he’s on a business trip. There, he meets a particular woman...
After meeting a special person in Switzerland, Kanji Takizawa is unable to stop thinking about her. Eventually, when he goes to his company’s dining hall, he coincidentally meets the woman. Meanwhile, Mariko begins to seriously wonder whether her husband is cheating on her.
Despite transferring to his new work environment, Kanji Takizawa’s presence is still a smoky one as he tries to fit in. Even though he tries to blend in with his co-workers, his efforts lay hidden in the shade. Meanwhile, Kanji’s wife’s recent frustrations over his actions escalates when she eventually discovers that he had been transferred from his original work place at the bank.
When Kanji Takizawa attends a business golf match-up to see whether he has any opportunities of returning to his bank, he recognizes that his wishes remain in the grim. Meanwhile, Kanji’s family matter becomes complicated, after he receives a special kiss in his secret new relationship.
Kanji Takizawa’s relationship with Shiori Meguro begins to develop further. But when they go to a hotel, they coincidentally bump into Misaki who happens to be with guy who is much older than Kanji.
Kanji Takizawa spends the night together with Shiori, whilst telling his wife that he will be staying at his co-worker’s apartment after missing the last train. Meanwhile, after a soundly breakfast together and saying goodbye to Kanji, Shiori feels something awkward with her condition. And when Kanji returns home, his wife ultimately becomes convinced that he might be cheating on her!
Satomi Mizuhara and Sudo Takeshi comes to visit Kanji Takizawa at the hospital and tells him that they are now in a relationship. Meanwhile, when Mariko goes out to the shops with Satomi, she feels a sense of sadness at the way Kanji now talks about his job in carefree attitude.
Kanji and Mariko’s daughter Misaki suddenly goes missing. It turns out that she had just got engaged to her partner. However, on the table, she leaves a note to them which states that she’s going to London with her ‘teacher.’ Mariko feels shocked when she hears the person she’s going there with.
Shiori disappears before Kanji’s sorrowful eyes. She seems to have left her home, quit work at the refectory and is no where to be seen. In the midst of this situation, Kanji gets the order to return to the bank he was on transfer from.
After an unexpected order, Kanji returns to the bank and his wife Miho leaves home. Meanwhile, Kanji becomes the supervisor for the handling of fraudulent loans, but immediately afterwards, an foreseen suicide sends shockwaves.
