After solving the mystery of the haunted castle in 'Scooby-Doo Castle Capers', Scooby-Doo and his pals are on the hunt for a new challenge! The gang have heard a rumour that the original owner of the castle, Lady Ebdon, hid the family treasure deep in the castle's dungeon.

However, it seems that someone else wants the treasure for themselves and is set on stopping the gang from getting to it first! Help Scooby and the gang find the clues that will lead them to the treasure, but be careful: the dungeon is filled with enough traps and scary spooks to give even the bravest adventurer the creeps!