Fifteen-year-old detective Sherlock Hong returns in the third installment of the Sherlock Hong series with a new mystery in hand! After hearing so many things about the legendary Scroll of Greatness, Sherlock will do anything for a chance to examine it. But he stumbles upon a sinister conspiracy to take control of the peaceful colony, and he's blamed for a terrible crime. Together with his best friend Aisha, Sherlock is determined to uncover the mystery of the ancient scroll and bring the people behind the conspiracy to justice. But will Sherlock be able to clear his name?