Cleaning the attic is pretty boring, but when Rohan finds a letter that hints at a secret treasure things start to get exciting. Suddenly Ella, Rohan and Alicia with her little dog Sammy find themselves caught up in the middle of a thrilling adventure involving riddles, keys and an empty old house. But is the house really empty? Who else is looking for the treasure? Are the three kids in danger? Join Ella, Rohan and Alicia and solve all the riddles, find the keys and find out where the treasure is hidden!
