Five years ago the Canterlot Symphony Hall burned to the ground in mysterious circumstances. Although the culprit was suspected, no trace of them could be found. It was assumed they died in the fire. But that was not the case...
Following an attempted robbery, Doctor Whooves is assigned to accompany a bullion train on its way to Canterlot. But it seems the bandits plan to strike again, and this time it looks like they might just succeed...