Why would someone search for a specific MKV file of Episode 18? Often, because they want high-quality offline viewing, subtitles control, or early access without an internet connection. However, that leads us to the filename breakdown.
The file is an container. Think of MKV as a lunchbox: inside, you could have: Hidden.Love.S01E18.NF.x264.1080p-MkvDrama.Org-.mkv