While on a train, Nikki Collins witnesses a murder as they pass a building. When she tells the police, they think she's crazy since she can't tell exactly where the crime happened. She then enlists a popular mystery writer to help with her sleuthing.

After witnessing her parents’ murder as a child in Bogota, Cataleya Restrepo grows up to be a stone-cold assassin. She works for her uncle as a hitman by day, but her personal time is spent engaging in vigilante murders that she hopes will lead her to her ultimate target: the mobster responsible for her parents' death.

Madrid, the beginning of the century. One day, the police inspector Santos Trinidad coming home very drunk, is involved in a triple murder. But there is a witness who managed to escape and that could incriminate him. Santos undertakes an investigation to locate and eliminate the witness. Meanwhile, Chacón a judge in charge of investiga...

The Denbow family denies access across their land to homesteaders. To evade a murder charge, Glenn Denbow marries Jane, the only witness who's in love with him. But the woman favors the settlers...