Erika Cass has a perfect family and a perfect life. Until the evening when two detectives show up at her front door. A high school girl has vanished from Erika's quiet suburban neighborhood. The police suspect the worst--murder. And Erika's teenage son, Liam, was the last person to see the girl alive. Erika has always sensed something dark and disturbed in her seemingly perfect older child. She wants to believe he's innocent, but as the evidence mounts,...

You search for evidence. You follow the clues. You experience the danger. Do you have what it takes to solve three of Sherlock Holmes' most puzzling cases? Or will the villainous plots lead to your doom? Step into this adventure, and choose your path. But choose wisely, or else ...