Thirty-year-old Diego Mercader has been released from the psychiatric unit of a New York City prison. He served a 20-year sentece on charges of first-degree murder for being the mastermind behind a massacre at his school in which seven of his classmates died.
Under the name Martin Mendez, he manages to disguise and protect himself from those that have not forgotten the past and insist on seeking revenge. Settled in the Alvarados' world, he will have to adapt to his new life of freedom while nightmares of the past continue to tormen him.
However, Martin continues to cling affectionally to Antonia. She is the only person he feels he can trust and the only woman with whom he has kept a close relationship since he was a child and was confined to prision.
Beautful and smart. A psychiatrist by profession, Antonia Villaroel helps Martin to be released from prison and continues following his case given the ambiguity of thefacts. She will live in great conflict when she falls in love with her patient.
Widower, head of the family and a successful businessman. Ezequiel Alavarado loves power. Deeply in love with his fiancee Mariana, who is the same age as his son Luciano. His love for her will push him to make unimaginable decisions even if those affect his family.
An unscrupulous and ambitious woman. Mariana San Lucas is Ezequiel's beautiful fiancee. Although she would like to marry Ezequiel to secure her social status, she feels a strong passion for Luciano, the son of her fiance, with whom she has a been living out an intense romance.
As Ezequiel's eldest son and right-hand man, Luciano Alvarado pays lots of attention to his father's decisions, especially when he sees him entrusting many matters to Martin. Obsessed with Mariana, he is willing to challenge his own father to satify his desires.
Enigmatic, manipulative and unscrupulous. Marcela Llanos was the only witness that testified at Diego Mercader's trial and is apparently the only survivor of the massacre.
A beautiful and obsessive journalist. Veronica Baeza will be the one most eager to discover the whereabouts of Diego Mercader. She has always sought to avenge the death of her brother who died in that terrible tragedy.
Spiteful and vindictive. Federico Samaniego is the father of one of the victims of the tragedy. Driven by his hatred towards Diego, her will not rest until he gets revenge.
Cold and superficial. Valeria Samaniego is Federico's wife. She is the pillar of her family. Due to her resolute nature, she was able to stay strong and maintain appearances after the tragedy occured.
Determined, loving and intuitive. Diana Mercader is Diego's twin sister. She grew up believing that her brother died the day of the massacre.
Diego's childhood friend, Alex Maldonado, is an emotionally unstable man. He was never able to over come the trauma caused by witnessing the crime.