Feb. 5 (UPI) -- Prime Video released a 2-minute trailer introducing Hero Fiennes Tiffin as the titular detective in Guy Ritchie 's Young Sherlock on Thursday. All eight episodes of the series will premiere on March 4. "When a charismatic, youthfully defiant Sherlock Holmes meets none other than James Moriarty, he finds himself dragged into a murder investigation that threatens his liberty," a synopsis said. "Sherlock's first ever case unravels a globe-trotting conspiracy, leading to an