A fresh take on the traditional tale of the famous British detective is portrayed in this detective series. Following the puzzling murder of her mother, a young American woman named Amelia discovers that her long-lost father might be none other than Sherlock Holmes himself. Upon sharing this astonishing revelation with Holmes, she becomes entangled in his current mission to rescue Dr. Watson and Mrs. Hudson, who have been captured by Moriarty's criminal organization. With the help of a spirited young woman, Holmes employs his deductive reasoning skills and contacts to unravel the mystery surrounding her parentage. Is it possible that he is truly her father?