Amar sin límites is a Mexican telenovela that was produced by Televisa and broadcast on that company's El Canal de las Estrellas. The program debuted on 16 October 2006 at 7:30 pm; the first ten episodes were only thirty minutes long, with the program expanding to an hour long on 30 October and taking over the 7:00 time slot previously occupied by Duelo de Pasiones. After 135 episodes, the telenovela completed its run on 20 April 2007, and was subsequently replaced with Muchachitas como tú. In the United States, Amar sin límites aired on Univisión from 17 July 2007 through 18 January 2008 at 8:00 pm. This limited-run serial is a remake of the 2003 Argentine telenovela Resistiré; it is the first such remake, as a second adaptation, Watch Over Me, was created for MyNetworkTV in the United States and debuted in December 2006. Amar sin límites stars as protagonists Karyme Lozano and Valentino Lanús, whose characters, Diego and Azul, endure a tortured romance that becomes entangled in the world of organized crime thanks to Azul's fiancé, Mauricio, portrayed by René Strickler.