Deep within Buenos Aires's labyrinthine subway system, a train mysteriously disappears along with its 30 passengers. The subway officials are greatly troubled and call in topographer Daniel Pratt to help them find it. Unfortunately, the tunnels are so vast and complex, that Pratt needs his mentor Hugo Mistein to help him. Unfortunately, he has vanished too.
In Buenos Aires, the twenty-something Jewish-Argentinean Ariel Makaroff ditches the University of Architecture and spends his time wandering through the downtown gallery where his mother has a lingerie shop and his brother runs an importation business. Ariel has never understood why his father left him when he was a baby, but when his dad returns to Argentina, that will soon change.
Two rival families of different origin join the force by the love of two young. The journalist Ariel Cohen falls in love for Carla Rosi, while investigating his father, Giancarlo, a wealthy shady business that is congressional candidate with presidential aspirations.
