For specifically, a typical good filename would be: Shetland.S07E01.1080p.iPlayer.WEB-DL.AAC2.0.H.265 — or similar.
If you're searching, common scene/release groups that put out x265 (HEVC) encodes for British TV shows like Shetland include or encodes from groups like MVGroup , ION265 , QxR , or TAoE . shetland s07e01 x265
It sounds like you're looking for a high-quality release of Shetland Season 7 Episode 1 — possibly with "good paper" meaning good file naming/info (a “release nfo”) or solid video quality. For specifically, a typical good filename would be: Shetland