El Cuarto Rubí

Jack and Gwen are back in the sequel to The Lost Property Office. A year ago, Jack Buckles discovered the Keep beneath Baker Street in London and his dad fell into a coma. This time, Jack and Gwen are framed for the theft of a cursed, powerful jewel, The Black Prince's Ruby. Now they must retrieve the other three before the truth thief does, or risk unleashing a reign of terror.