「人生是一次通往死亡的旅行。」黛安不吝将余下时光奉献他人─陪伴罹患绝症的亲人、为无家者提供食物,向毒瘾缠身的儿子伸出援手。慈悲心肠滋润不了满面风霜,纵横的岁月痕迹搁着回忆的路轨。朋友陆续下车,为他人而活的生命逐渐脱轨,该何去何从?Diane fills her days helping others and desperately attempting to bond with her drug-addicted son. As these pieces of her existence begin to fade, she finds herself confronting memories she'd sooner forget than face.