Corazón Valiente ( Fearless Heart ), originally known as Caídas del Cielo ( Falls of Heaven ) , is a Spanish-language telenovela produced by United States -based television network Telemundo Studios, Miami , featuring an ensemble cast . Adriana Fonseca , Ximena Duque , José Luis Reséndez and Fabián Ríos starred as the main protagonists, with Aylin Mujica and Manuel Landeta starred as the main antagonists.