Legend has it that on July 7, each 100 years in "enchanted lake", a mysterious girl will test her charms to help the people of good heart and punish people corrupt.
Luiza is an architect who just got out of a ruinous relationship. Gabriel is a biologist and he has finished a long marriage with divorce. When they both meet, chances that they can do well together are not that big. But they will try to, even if their friends Barata (a convict bachelor totally skeptical when it comes to love) and Marta (a mathematic analyst who wishes that human relations were just as exact as numbers are) think otherwise.
Размеренный быт жителей маленького американского городка нарушен. Загадочным образом его обитатели оказываются полностью лишенными электроэнергии, радио и телефонной связи. Постепенно отношения между ними сводятся к схеме «человек человеку — волк».
В создавшейся критической ситуации, ради спасения жизней ребенка и жены, обычный «тихий американец» способен на многое…