浪掷的青春，跑到海边小镇说故事。健看守著旅馆，也看顾一个关系叫他不敢面对的植物人。美香如常在暑假来到小镇，帮忙叔叔打理油站。去年，她的情人是健，今年，她心里却是另一个。柔香来逃避失恋，第二天便与初相识的健睡在床上。三人海边天天见面，让时间无聊打发在海水里。直至哲逃避债主跑来找健，微妙三角关系才有了变化。四个年轻的心，总找不到安放位置。是青春出卖了他们，还是他们都将忠诚全给了自己

The bittersweet events in the lives of people in Hakodate, a regional city connected by a streetcar network. A laid-off man and his younger sister go up a mountain to see the first sunrise of the year. Meanwhile, Haruo has inherited his family's gas business, but things aren't going well in his new endeavor and he becomes increasingly frustrated.