If you are looking for the Spanish dubbed version, it is widely available on popular streaming platforms:
Descendientes del Sol Capítulo 1 en Audio Latino: El Inicio de un Fenómeno Global descendientes del sol cap 1 audio latino
This simple act of heroism leads them to the emergency room of Haesung Hospital, where Si-jin meets the brilliant and ambitious cardiothoracic surgeon, Dr. Kang Mo-yeon. Their first encounter is a classic "meet-cute" filled with misunderstandings. Mo-yeon initially mistakes the charming soldier for a gangster, creating an amusing dynamic that quickly reveals a deeper attraction between the two. If you are looking for the Spanish dubbed