Here is the "long story" (full plot summary) explained, assuming this is the film you are referring to.
If you have acquired a digital copy of the film (DVD/Blu-ray/Remux), you need to download the .SRT file. Here is the "long story" (full plot summary)
Often, high-demand Spanish dramas are picked up by platforms like Netflix, HBO Max, or Amazon Prime Video. When these platforms acquire the rights, they provide professional-grade English subtitles and sometimes even English dubbing. Here is the "long story" (full plot summary)
: Sites like Plex and IMDb provide official trailers and episode guides. Here is the "long story" (full plot summary)