祝你生日快乐

某个夏日，一家人聚在一起庆祝母亲的七十大寿。在场的人包括：寿星和她的丈夫；他们的两个儿子，其中一个带着妻子和两个孩子，另一个带了新女友同来；以及一个似乎是在这里长大的十八岁女子。一部摄影机将这重要的日子永留纪念。一切看来安宁快乐，直到三年前失踪的妹妹突然出现。众人都如浪子回头般欢迎她的回来，谁不知随她而来的却是麻烦一大堆。A family gets together one summer day to celebrate the mother's 70 birthday. There's her husband, their two sons, one with his wife and their two boys, the other with his new girlfriend, a movie camera to immortalize the event and a young woman eighteen years old who seems to have grown up here. Things seem peaceful and joyous until the unexpected arrival of the younger sister who had vanished four years before. She is greeted like the prodigal daughter but brings chaos in tow.