The night Celia unsuccessfully attempts suicide, a teenage girl (Melany) is raped and murdered nearby. Miguel Ángel, the police officer in charge of finding the perpetrator of the crime, digs around Celia and her closest circle, including her two sisters (Carmen and Ángela) and her husband Agustín. While the cop suspects about the girl's boyfriend (Pedro), Celia suspects about her husband.

A man named Jacques Mornard arrives in Mexico in 1940, claiming to be a Belgian who is fleeing the war in Europe to join his girlfriend, one of refugee Leon Trotsky's secretaries. But nobody knows that in reality this conventional and cheerful young man is in fact an agent of the GPU (Soviet Secret Service) and has been sent to assassinate Trotsky.

与妻子劳拉（芭芭拉·蓝妮 Bárbara Lennie 饰）同在一所小学任教的丹尼尔（胡安·迭戈·波托 Juan Diego Botto 饰），某天意外重逢童年的玩伴马里奥（Marc Rodríguez 饰）。小时候，他们的父母原本计划共同组建一个新的家庭，但马里奥的亲妹妹克拉拉（Cristina Azofra 饰）死于意外，父母的婚礼就此流产，两个好友也断了音讯。如今马里奥请求丹尼尔去看望他的女儿朱莉娅（Mágica Pérez 饰），但遭到好友拒绝。谁知不久，丹尼尔便得知好友自杀而死。 在此之后，丹尼尔夫妇收养了朱莉娅。一切看似美好，然而朱莉娅种种的举止让丹尼尔发现，他所面对的不是马里奥的女儿，而是本应死去的克拉拉……