纳塔利娅是一位年轻的西班牙女子，她到达墨西哥城，由埃斯坦邦邀请，她的男朋友。 然而，由于工作，他缺席，但他的朋友安娜和索非亚说服纳塔利娅去瓦莱里亚的外面的房子，作为一个单身派对。 作为一个无辜的喜剧开始成为一个不寻常和暴力的戏剧，质疑权力的本质，我们的物种的动画和性别角色的转变。

  Natalia is a young Spanish woman who arrives in Mexico City, invited by Esteban, her boyfriend. However, due to work, he is absent, but his friends, Ana and Sofia, convince Natalia to travel to Valeria's house which is out of town, as a sort of bachelorette party. What starts out as an innocent comedy becomes an unusual and violent drama that questions the nature of power, the animality of our species, and the transposition of gender roles.