Relaciones peligrosas (English: Dangerous Affairs), originally known as Física o Química (Physics or Chemistry), is an American Spanish-language telenovela produced by Telemundo Studios, Miami.

[1] Starring Sandra Echeverría, Gabriel Coronel, Maritza Bustamante, Jonathan Freudman, Carlos Ferro, Daniela Navarro, Renato Rossini, Gonzalo García Vivanco and in the leading roles of the plot.

From January 24[2] to June 25, 2012, Telemundo aired Relaciones Peligrosas weeknights at 10pm/9c during the 2012 season, replacing La Casa de al Lado.

Set in modern times, Dangerous Affairs delves into the difficult and often conflict-filled relationships between teenagers, their parents and teachers at a bilingual high school (Cervantes Academy School of Arts).

In her world, the hidden truths that many adults try to avoid are revealed: love relationships that are prohibited, discriminated or judged that can turn into a real-world nightmare.