CAN FREDDY AND MARY TURN THE TIDE AGAINST THE MONSTERS? Mary and Freddy have tracked Billy down to the unused tunnels of SEPTA — but the monsters plaguing Philly have followed them, too. With Billy refusing to turn into the Captain, can Mary and Freddy turn the tide and figure out what's causing the monster onslaught? Can they convince Billy to come home? And what's up with the weird kid in a toga that only Billy can see?
