A Chilean series that aired in 2010. There is a Telemundo remake.

I. Plot
“Renato Fabres is a prosperous businessman who has learned to move with great intelligence and success in the business world. Together with his severe wife, Eva, and his three children, Ignacia, Carola and Benjamín, he has created a family to be proud of. Meanwhile, Javier Ruiz-Tagle and Pilar Echeñique are their perfectionist neighbors. Being well-off, educated, and honored, they are seemingly a happy married couple with two wonderful children, Andrea and Diego. A perfect family worthy of being envied. However, the untimely arrival of Gonzalo Ibáñez and the immediate affection that flares between him and Pilar will change the lives of these neighbors and their families forever.” _Dramafever

II. Main Cast and Crew
Cast:
Álvaro Rudolphy …………………………………………Gonzalo Ibáñez
María Elena Swett……………………………………… Pilar Echeñique.
Jorge Zabaleta……………………………………………. Javier Ruiz-Tagle.
Luz Valdivieso……………………………………………..Ignacia Fabres.
Written by José Ignacio Valenzuela

III. Trailer
**sorry, no English subs! 😞