Private detective Germán Areta gets a terminally ill client who wishes to see his long lost, runaway daughter before he dies. But when Areta starts looking into case, it leads him to the dark underbelly of Madrid where he finds that he is not only one looking for the girl. Someone else is also interested in her, someone powerful and dangerous who will stop at nothing to prevent Areta from discovering the truth..
A young girl, after failing an exam, is forced by her father, a taxi-driver, to learn his profession. Soon she discovers that her father is not only a driver but also a member of a racist group eliminating immigrants, homosexual, transvestite, etc. people. She also falls in love with a boy, also a taxi-driver and a "socio" of the group.
