The soul of a mage has been trapped in his own bust for centuries. The bust is a foot in height and made of a dark silvery metal. It is well crafted, perfect in every detail of the mage's features. The frozen expression is one of shock. It was sold off in auction after the mage's unexplained disappearance and has been passed around as a curio ever since. The cause of his entrapment? He practiced in secret; none knew of his hobby. Being self taught, he was unable to tell that the spell he thought was for protection was actually for entrapment...
A circus is in town and while parading down the main street the animals suddenly break free from the cages. After surviving and assisting during the breakout the PCs are hired to help with the investigation. Who did this and why?