When successful New York marketing executive Katherine discovers her workaholic ways are taking a toll on her eight-year-old son, Zac, she decides to spend Christmas with him and her mother, Lilly in her home town on the bayou. When Caleb tries to rekindle a childhood romance and convince her to move back home, Katherine is torn between the bright lights of the big city and the quiet, gentler rhythms of her Southern roots. Only a Christmas miracle orchestrated by Papa Noel can steer her heart to her true home.星期五的夜晚降临，整座城市已经提前陷入了周末的狂欢气氛之中。劳拉（瓦莱丽·勒梅西埃 Valérie Lemercier 饰）收拾好行李准备去找她的男友共度一个浪漫的周末。哪知道途中，劳拉竟然遇见了交通大堵塞，原来，巴黎的公交车司机们正在进行一场大罢工，劳拉不巧受到了波及，看着堵得水泄不通的马路，劳拉并不觉得着急，生性乐天的她懂得享受生命里的每一个时刻，哪怕这一时刻并不是那么令人愉快。 命运的齿轮开始转动，这场堵车让劳拉认识了一个名叫简（文森特·林顿 Vincent Lindon 饰）的男人。此时的劳拉并不知道，自己和眼前的这个男人并非只有一面之缘，在日后漫长的人生里，他们的命运都被紧紧地维系在一起。
