The ending of Young Sherlock  Season 1 isn't just a case closed. It's an origin story detonation one that deliberately leaves shrapnel for Season 2. What Actually Happened? The Full Season 1 Arc Explained One-sentence summary: A stolen scroll and a campus murder were never the real story — they were the breadcrumb trail to a conspiracy buried inside the Holmes family itself. The season opens with a 19-year-old Sherlock behind bars for petty theft, sprung by his brother Mycrof