Pablo is a young man going through a crisis of love. His best friend decides to take him to reunion party; there he encounters Daniela, the great love in his adolescence. In the middle of the party he tries conquer her heart, but discovers a reality that he did not expect of her: she is dedicated to the oldest trade in the world
Victor, a middle-class child, escapes from his home in search of his father; after multiple crossings find it where you least expect, with the help of two small living on the street.
Dr. Rodolfo Arias, a controversial and corrupt lawyer, is the victim of an attack and he points to his two enemies Miguel Guevara and Javier Roldán as the ones responsible. Faced with this situation, Guevara proposes to Roldán a plan to assassinate the lawyer. Fucho, a young criminal whose brother had been a victim of Arias' corruption, together with two other thugs, would be responsible for perpetrating the murder.
Humberto and Atilio, two elderly men confined in a nursing home, decide to flee when they see the arrival of some ballot boxes through the window, which makes them assume that their lives are in danger. The escape causes the mobilization of an entire military strategic team while the two elderly men and Daniel, an employee of the nursing home, wander around the roads of the area. In the end, they are unexpectedly armed and confront the “enemy”.
Commissioner Leon (Miguel Angel Landa) investigates the murder of a woman in a population near the capital. The woman was raped before death and the case is complicated when his brother becomes the prime suspect, since it is a priest (Eduardo Serrano). Because of the implications that inquiries might have, Leon is pressured to keep the event as a "crab" (Cangrejo, or a unsolvable case), but he decides to comply with the law.