Tunnels of Tyranny

Grandpa has asked Andrea and Tony to go back in time on an urgent mission that takes them into the dark tunnels under Moose Jaw again. They quickly reconnect with friends from the past only to discover that dangerous things are happening! There are scary encounters with people wearing eerie hoods. What must Andrea and Tony do to stop these strangers from carrying out their hateful plans??Can they complete their mission and return to the present before time runs out?