George and Tim stand in front of a secret swimming pool. The fancy (and not so fancy) clothes their friends were wearing are floating in the water. A crazed conspiracy kid is raving about the Underworld. What’s left to do but jump in?
Below the calm surface waits a portal to an Underworld maze. Its rooms are filled with deadly traps and strange monsters, and the only way out is forward.
Can the kids conquer the maze and escape back to the real world?