In the ordinary town of Toyama, the nearly 60-year-old Toru Kojima (Yuwa Miura) is an experienced tram driver with 42 years driving experience. He kept a fault-free record for 35 years and neglected to communicate with his family while preoccupied with his work. In another month, the island will usher in the moment of retirement. while he is planning a leisurely vacation with his wife Sasako (played by Yu Guimiko), he has mixed feelings and is reluctant to give up this lifelong post. However, Sasako asked him to return to his post as a nurse, and the two, who had already had a bitter quarrel, ran away angrily. When he came to the company, the upset Hiroshima had to take on the important task of training the newcomer Xiao Tian. He never knew what kind of secrets and feelings his wife had in her heart. The day of retirement is drawing near, and the marriage of the couple seems to be coming to an end.