Max is visiting his family in Japan where his grandfather has an antique shop. When Max finds a mysterious puzzle box hidden in one of the antiques, he manages to open it. Its contents send him and his cousin, Yamoto, on a treasure hunt, but they are not the only ones after the treasure! Can the two...

Max is visiting his family in Japan where his grandfather has an antique shop. When Max finds a mysterious puzzle box hidden in one of the antiques, he manages to open it. Its contents send him and his cousin, Yamoto, on a treasure hunt, but they are not the only ones after the treasure! Can the two cousins solve the puzzles and reach the treasure before anyone else does?