With a place in the family business and a beautiful girlfriend, wealthy Antoine seems to have everything. But his life is sent spinning when he's offered the lead role in a film. Agonizing over whethe

18岁的青年西蒙（加斯帕德·尤利尔 Gaspard Ulliel 饰）在回家的火车上邂逅了一位姑娘——露易丝（梅拉尼·罗兰 Mélanie Laurent 饰），他将后者带回家里。圣诞时期的家中气氛冷峻，父亲身始自终怀疑他的生活，而西蒙和姐姐照旧恶语相向。共处一室作息的西蒙和露易丝却没有亲昵行为，当西蒙将露易丝引见给自己的冤家马修后，他在这段三人行的关系中感到了纠结与痛苦，露易丝和马修越走越近，而